Yes. Solubility is 0.070 kg/L
Solution:
Solubility = mass / Volume
Solubility = (0.210kg)/(3L) = 0.070 kg/L
Solubility is defined as the maximum amount of a substance that will dissolve in a specified amount of solvent at a specified temperature. Solubility is a characteristic property of a particular solute/solvent combination, and different substances have very different solubilities.
Adding sugar cubes to your tea or coffee is a common example of a solution. The ability of a sugar molecule to dissolve easily is called solubility. The term solubility can therefore be defined as the property of a substance to dissolve in a particular solvent. Water solubility is a measure of the amount of a chemical that can be dissolved in water at a given temperature.
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What is the overall equation for the reaction that produces ccl4 and hcl from ch4 and cl2?.
The balanced equation is : CH4 + Cl2 → CCl4 + 2HCl
What is balanced equation?
An equation for just a chemical reaction is said to be balanced if both the reactants and the products have the same number of atoms and total charge for each component of the reaction. In other words, both sides of reaction have an equal balance of mass and charge. It is typical to balance chemical equations both for mass and charge in aqueous solutions. Equal numbers and types of atoms are produced on both both sides of the equation when balancing for mass. When the charge is balanced, there is no net charge on either side of the equation.
The overall equation for the reaction that produces CCl4 and HCl from CH4 and Cl2 is:
CH4 + Cl2 → CCl4 + 2HCl
This reaction occurs through a free-radical substitution mechanism, which involves the breaking of the carbon-hydrogen bonds of the CH4 molecule by the chlorine radical (Cl•) produced from the dissociation of Cl2. This produces a methyl radical (CH3•) which then reacts with the chlorine radical to form CCl4 and HCl.
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the element silver has an atomic mass of 108 u and consists of two stable isotopes silver-107 and silver-109.
Silver-109 has a mass of 109 amu. It is one of the isotopes of the silver atm.
What are isotopes?The term isotopes has to do with the atoms of the same element that has the same atomic number but different mass numbers. This implies that the isotopes that we have do have the same number of protons but they do not have the same number of neutrons and the fact that they differ in the number of neutrons implies that would have the same chemical property.
We can see from the question that there are two isotopes of silver and tehse isotopes of silver have been identified as silver-107 and silver-109. The isotopes do have the same mass and not the same number of protons.
The percentage abundance of the two isotopes are not the same which means that one is more than the other. We can now see that the mass of the silver 109 in amu is 109 amu.
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When synthesizing fuming nitric acid from concentrated sulphuric acid and potassium nitrate, what steps can be made to reduce nitrogen dioxide?
When synthesizing fuming nitric acid from concentrated sulfuric acid and potassium nitrate, the steps that can be made to reduce nitrogen dioxide are:
carrying out the reaction under reduced pressure and temperatureperforming the reaction in the darkWhat is one method of preparing to fuming nitric acid?The formation of fuming nitric acid can be performed by the reaction of concentrated sulfuric acid and potassium nitrate.
The equation of the reaction is given below:
H₂SO₄ + 2 KNO₃ ---> 2 HNO₃ + K₂SO₄The formation of nitrogen dioxide occurs as a result of the decomposition of nitric acid.
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Lidia plans an experimental investigation to see how the thickness of a lens affects the point where a beam of light is focused. She plans to shine light through a lens and measure the distance to a screen that is placed where the beam focuses.
What are the controls in Lidia’s investigation?
The controls in this set-up would be the position of the lens in relation to the light beam and the distance of the lens from the screen because Lidia intends to measure the location where the light beam is focused. This is so that only the thickness of the lens needs to be changed, not the position.
The controls in Lidia’s investigation:
1) The thickness of the lens is the independent variable because the investigation's goal is to ascertain how one variable influences another.
In order to determine the effect on the dependent variable afterward, Lidia must experiment with a variety of thicknesses.
2) Because the goal of the investigation is to ascertain how a light beam is focused, this point is the dependent variable. As a result, she has no control over this point and will instead only monitor and measure how it responds to changes in the independent variable.
Lidia must confirm that no other factors are influencing the outcomes or output before drawing a decision.
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15) Give the number of core electrons for Cd. A) 44 B) 48 C) 46 D) 45 E) 47 16) Give the number of valence electrons for Cd. A) 8 B) 10 C) 12 D2 E) 6 17) How many valence electrons does an atom of Al possess? A) 1 B) 2 C) 5 E) 8 18) How many valence electrons do the halogens possess? A) 5 B) 6 C) 2 D) 1 E) 7 19) How many valence electrons do the alkali earth metals possess? Al ® 2 C) 7 D) 6 E) 8 20) How many valence electrons do the alkali metals possess? A) 1 B) 2 C) 7 D) 6 E) 8
Valence electrons are any of the electrons in the outermost shell of an atom that is capable of forming bonds with other atoms.
Valence electron is an electron in the outer shell associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed.
Not all electrons are associated with the atom. Only the electrons present in the outermost shell can participate in the formation of a chemical bond or a molecule. This type of electrons is called valence electrons.
The number of electrons in Cadmium is 48 while the number of valence electrons is 2. Aluminium has 3 valence electrons in its outermost shell. Halogens are elements of group 17, i.e. fluorine, chlorine, bromine, iodine, astatine and tennessine. They possess 7 valence electrons.
Alkaline earth metals are elements of group 2 e.g. Ca, Sc, Li etc. They have 2 valence electrons while alkali metals (group 1) like Na, K, etc have one valence electrons.
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a cell in a lead-acid battery delivers exactly 2.00 v of cell potential based on the following cell reaction:
When a cell in a lead-acid battery delivers exactly 2.00 v of cell potential the ΔG° is -386 kJ.
Given,
n = 2
F = 96500 Columbs
E° (cell) = 2V
Relation between Gibbs free energy and potential difference is given as,
ΔG° = -nF E°(cell)
Where,
n = number of moles of electrons transferred = 2
F = Faraday = 96500 columbs
E° (cell) = potencial difference
∴ ΔG° = -nF E°(cell)
= - 2 x 96500 x 2
= -386kJ
Hence, the ΔG° for the following reaction is -386 kJ.
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Design a concept map that compares and contrasts the atomic ideas proposed by Democritus and John Dalton.
The atomic theories of Dalton and Democritus does converge in a common idea of the indivisibility of the atom.
What is the atomic theory?We know that the atomic theory is the description of the atom from diverse perspectives. Actually, we begin the idea of the atomic theory from the would of Democritus. In the time of Democritus, there were no empirica laboratories hence, he had to make do with the theoretical approaches to the idea of the atom. He put forward the idea of the indivisibility of the atom.
This idea of the indivisibility of the atom became a resonating theme in the study of the atom from the time of Democritus down to the time of John Dalton. According to the Dalton Atomic theory, the atom is indivisible and the atoms of an element can be able to combine with the atoms of other elements in small simple ratios.
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True or false: the ability of carbon atoms to bond to each other results in just one type of organic compound.
Answer:
Im assuming true but don't quote me on that.
reason why the ionic radius of aluminum is smaller than its atomic radius, but the atomic radius of chlorine is larger than its ionic radius needs to be explained.
The outer electron in the sodium atom is in the third energy level, once this is removed the outer level of the electrons in the sodium ion is the second energy level.
There are more protons than electrons in the sodium ion which attracts the outer energy level closer to the nucleus.
The atomic radius of Ga is smaller than that of Al. This is because there are 10 first transition row elements with electrons in the inner d orbitals between Ga and Al. The inner d orbitals do not shield the nucleus effectively due to their shape and low penetration.
When the effective nuclear charge of an atom is high the electrostatic attraction is strong, pulling electrons closer together. If you look at the periodic table you can see that Cl has a smaller radius because it is to the right of the periodic table than Al.
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Vicky and omar have an unknown oxide. They mix it with water to form a solution then add universal indicator. The colour changes to orange. Which type of oxide do they have?.
Vicky and Omar mix the unknown oxide with water and then add universal indicator to the solution. The color changes to orange then, the oxide formed must be a weak acid.
Indicator
The substance that indicates visibly the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution by typically through a color change is known as an indicator. The last point is demonstrated by a physical modification of the reaction or by the addition of an extra reagent, both of which are referred to as indicators.
Thus, they mix it with water and then add universal indicator to the solution. The color changes to orange the oxide formed must be a weak acid.
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Which of the following pairs of quantum states of hydrogen has the biggest energy difference between the states?
a. n = 3 to n = 1
b. n = 5 to n = 4
c. n = 4 to n = 3
d. n = 20 to n = 10
e. n = 1000 to n = 2
Hear n = 1000 to n = 2 pairs of quantum states of hydrogen has the biggest energy difference between the states
A quantum state is a mathematical concept used in quantum physics that gives a probability distribution for the results of each potential experiment on a system. All that can be predicted about the behaviour of the system is exhausted by knowledge of the quantum state and the laws governing the system's evolution across time. Another quantum state is a combination of quantum states. All other quantum states are known as mixed quantum states, whereas pure quantum states are those that cannot be described as a combination of other states. A ray in a Hilbert space over the complex numbers can represent a pure quantum state, but density matrices, which are positive semidefinite operators acting on Hilbert spaces, can represent mixed states.To know more about ray, visit to: -https://brainly.com/question/17491571#SPJ4
Geometric or not? Determine whether each of the following scenarios describes a geometric setting. If so, define an appropriate geometric random variable. (a) Shuffle a standard deck of playing cards well. Then turn over one card at a time from the top of the deck until you get an ace. (b) Lawrence likes to shoot a bow and arrow in his free time. On any shot, he has about a 10% chance of hitting the bull's-eye. As a challenge one day, Lawrence decides to keep shooting until he gets a bull's-eye.
A random variable has a geometric distribution if each draw must be independent of those that came before it and each success counts the number of drawings that preceded the initial success. Geometric distribution is absent when there is no alternative to an existing event.
Describe a random variable?A random variable is the formal mathematical representation of a number or other thing that is subject to chance occurrences. A function or mapping from a sample space of probable outcomes to a measured space, typically the actual number, is what this term refers to. These two divisions are made between discrete and continuous random variables. What distinguishes the two categories the most is the kind of potential values that each variable might have the randomness.
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Fe³⁺ (aq) +KSCN(s)->FeSCN²⁺(aq)+K⁺(aq) To determine the moles of Fe3+(aq) in a 100mL sample of an unknown solution, excess KSCN(s) is added to convert all the Fe3+(aq) into the dark red species, FeSCN2+(aq), as represented by the equation above. The absorbance of FeSCN2+(aq) a different concentration is shown in the graph to the right. a) If the absorbance of the mixture is 0.20 at 453 nm, how many moles of Fe3+(aq) were present in the 100 mL sample? (Assume that any volume change due to adding the KSCN(s) is negligible. b) If the absorbance of the mixture is 0.40 at 453 nm, how many moles of Fe3+(aq) were present in the 100 mL sample? (Assume that any volume change due to adding the KSCN(s) is negligible.
Using lambert beer law, we can calculate as follow: i) number of moles = 4×10^-6 moles.
ii) number of moles =8×10^-6 moles
ii) Absorbance at 453mm = 0.40
Eb= 5 x 10 dm mol im A = Ebc n = 8X10-6 moles
C= 0.40 5x10 = 8×10-5 M Eb
no of moles (n) = CXV = 8x10 x 0.1
What is Lambert's rule?
The Beer–Lambert rule, additionally recognized as Beer's regulation, the Lambert–Beer rule, or the Beer–Lambert–Bouguer rule relates the attenuation of mild to the residences of the fabric thru which the mild is travelling. The regulation is normally carried out to chemical analysis measurements and utilized in expertise attenuation in bodily optics, for photons, neutrons, or rarefied gases. In mathematical physics, this law arises as an answer of the BGK equation.
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2NO + O2 --> 2NO2
what would be the reaction rate if at one point in the reaction the rate of N02 formation is 2x10-2M/s?
To solve this we need to have knowledge of differential rate law which relate the rate to the concentration and time. Therefore, the rate of overall reaction is 1x10⁻²M/s.
What is differential rate law?A differential rate law represents the rate of a reaction . According to this rate is directly proportional to changes in the concentration of reactants and inversely proportional to specific interval of time. There is another expression of rate law which is integrated rate law which is just opposite of differential rate law.
The given equation is
2NO + O[tex]_2[/tex] [tex]\rightarrow[/tex] 2NO[tex]_2[/tex]
(1/2) Rate of disappearance of NO= rate of disappearance of C= (1/2)rate of appearance of NO[tex]_2[/tex]= rate of overall reaction.
(1/2)rate of appearance of NO[tex]_2[/tex]= rate of overall reaction.
rate of appearance of NO[tex]_2[/tex]=2x10⁻²M/s.
Substituting the values in above equation
(1/2)×2x10⁻²M/s = rate of overall reaction.
rate of overall reaction= 1x10⁻²M/s
Therefore, the rate of overall reaction is 1x10⁻²M/s.
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1. SiH4 what is the covalent compounds
Answer: Silicon tetrahydride (silane) is a covalent compound where a central silicon (Si) atom is covalently bonded to 4 terminal hydrogen (H) atoms.
Explanation:
of the following substances, the one that requires the greatest amount of heat per kilogram for a given increase in temperature is .
The one that requires the greatest amount of heat per kilogram for a given increase in temperature is Water.
What is Heat Equation ?
The heat equation is expressed as
q = mc ΔT
where,
q = heat
m = mass
c = specific heat capacity
ΔT = Change in temperature in Celsius
The substance which have high value of c have greatest amount of heat per kilogram.
(i) For ICE:
The specific heat of ice is 2.03
(ii) For WATER:
The specific heat of water is 41.8
(iii) For STEAM:
The specific heat of steam is 2.01
(iv) For COPPER:
The specific heat of Copper is 0.385
From the above data we can say that the specific heat of water is the highest value among all of them.
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NOTE: The given question is incomplete on the portal. Here is the complete question.
QUESTION: Of the following substances, the one that requires the greatest amount of heat per kilogram for a given increase in temperature is ___________.
a. ice
b. water
c. steam
d. copper
Tablets taken by patients suffering from anaemia contain 0. 2 g of iron sulphate (feso4). Calculate the mass of iron in each tablet to 2 decimal places.
Each iron tablet contains 152 g of iron.
The substance listed here is iron sulfate, and its chemical formula is FeSO4.
The compound's relative formula mass is calculated by multiplying the atomic masses of its constituent parts, and it is then given in grams.
The atomic mass of Fe = 55.845
The atomic mass of S = 32.065
The atomic mass of O = 15.994
So;
Relative formula mass is calculated as 55.845 + 32.065 + 4(15.994) = 151.886g
Therefore, the solution is 152g
A particle's or object's mass, a dimensionless quantity, is used to represent how much matter is there (symbolized m). The kilogram is the chosen unit of mass according to the International System (SI) (kg).
In physics, mass is a way to quantify inertia, a fundamental property of all matter.
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the malate dehydrogenase reaction has a strongly positive standard free energy change but it proceeds in the direction of oxaloacetate because the concentration of is maintained at exceedingly low levels.
Oxaloacetate concentration is maintained at exceedingly low levels.
What is a malate dehydrogenase?
Malate dehydrogenase (MDH) is a key protein in the main oxidative pathway and is a widely distributed enzyme in living things. Using NAD+ and NADP+ as a cofactor, it catalyses the conversion between malate as well as oxaloacetate. Malate dehydrogenase (MDH), a crucial enzyme inside the tricarboxylic acid cycle (TCA), performs crucial metabolic functions in the pathways that produce aerobic energy as well as in the malate shuttle.
The malate dehydrogenase reaction seems to have a strongly positive gibbs free energy change, but also because the density of oxaloacetate is kept at extremely low levels, it proceeds inside the direction of oxaloacetate.
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When the difference in ph across the membrane of a glass electrode at 25 oc is 3. 75 ph units, how much voltage is generated by the ph gradient?.
The voltage is generated by pH gradient is 221.8 mV.
given that :
temperature = 25 °C
pH difference = 3.75 pH units
the voltage generated across the membrane of a glass electrode from hydrogen ion concentration is given as :
E = (2.303 RT / nF ) ΔpH
where,
R = the gas constant = 8.314 J/K mol
T = temperature in K = 273 + 25 = 298 K
F = faraday constanr = 96485 C/mol
n = the charge on proton = 1
ΔpH = 3.75
putting all the value in the formula we get:
E = (2.303 ×8.314 ×298 / 1 × 96485 ) 3.75
E = 221.8 mV
thus, The voltage is 221.8 mV.
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The molar mass of c7h16 and the molar mass of caco3 contain approximately the same number of.
The molar mass of C₇H₁₆ and the molar mass of CaCO₃ contain approximately the same number of grams per mol (g/mol).
What is a molar mass in chemistry?The mass of a specific chemical ingredient or chemical agent (g) multiplied by the quantity of stuff is known as the molar mass (mol). By multiplying the standard atomic weights (in g/mol) of component atoms, one can identify the molar density of a compound.
How does chemistry use molar mass?The molar mass of an active ingredient is determined by dividing its mass by the quantity of that compound, expressed as the number of molecules in the sample, quantified in moles. The molar mass of a solid is a bulk attribute rather than a molecular one.
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Which of the following substances is used to preserve foods?
A) sodium nitrite
B) biguanides
C) potassium hydroxide
D) chlorophyll
Give an IUPAC name for the substances below: wireframe labels Wireframe Labels (Abbreviate ortho (o), meta (m), and para (p). if you use these terms. It is not necessary to use italics in writing compound names.) 1 st structure 2nd structure Submit An Try Another Version 2 Item attempts remaining
1st structure- 1-chloro-3-ethylbenzene (meta-ethyl chlorobenzene)
2nd structure- 2-nitrobenzoic acid (ortho-nitrobenzoic acid)
What is IUPAC's name?
An chemical nomenclature, the IUPAC nomenclature of organic chemistry is a method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry. It is published in the Nomenclature of Organic Chemistry.
Hence, the 1st structure- 1-chloro-3-ethylbenzene (meta-ethyl chlorobenzene)
2nd structure- 2-nitrobenzoic acid (ortho-nitrobenzoic acid)
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XeF3+
a. Lewis structure?
b. geometry?
c. hybrid bonds used?
d. formal charge on each atom?
e. a bond angle between a surrounding atom, the central atom and another surrounding atom?
f.)polar? nonpolar? or NA
The process of two complementary single-stranded DNA and/or RNA molecules joining together to generate a double-stranded molecule is known as hybridization in the context of genomics. The proper base pairing between the two single-stranded molecules is necessary for the bonding.Sp3 hybridization is the process of hybridization in which the 1s and 3p orbitals of the same element are mixed and recast to create new hybrid orbitals with the same energy, symmetry, and fixed orientation in space. An example is the creation of the methane molecule.
Linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral are the five fundamental hybridization shapes.
To find the formal charge of a Lewis structure, count the number of electrons "owned" by each atom. Count all lone pairs and half of the bond electrons. The difference between the number of valence electrons in an atom and the number it has is the formal charge. Fluorine (and all halogens) tend to form bonds and have three unshared pairs of electrons. None of these atoms have a formal charge in their electronic configuration.
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Available Electrons: 18Create the Lewis structure of NO2- using the following steps. NOTE: do only the step asked for in each part and then click Check–don't work ahead to solve the final structure.Step 5. Examine the structure. If it is correct, press Check. If the central atom has fewer than eight valence electrons, introduce multiple bonds. (In this activity assume that only C, N, O, P, and S typically participate in multiple bonds.) Change a single bond to a multiple bond by deleting one or more lone pairs on a terminal atom and dragging a multiple bond between that atom and the central atom.
If the central atom has fewer than 8 valence electrons, a double bond is introduced between N and O by deleting a lone pair on oxygen.
Step 1
Number of valence electron = 5 + 6 (2) +1 = 18
Step 2
O- N - O ( Nitrogen least electronegative central item)
Step 3
°°O°° - N - °°O°° ( Only 16 electrons are used out of 18)
°°. °°
Step 4
°° O°° - °°N - °° O °°
°° °°
Step 5
The central Atom of Nitrogen has only 6 valence electrons therefore we have to introduce multiple bonds between N & O. A double bond is introduced between N and O by deleting a lone pair on oxygen.
°°O°° - °°N ≈ °° O °°
°°. °°
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Millikan utilized specific numerical data gathered by:
Select the correct answer below:
J.J. Thomson
John Dalton
Ernest Rutherford
all of the above
Millikan used specific numerical data gathered by J.J. Thomson in the oil drop experiment. Therefore, option (A) is correct.
Who is Robert Andrews Millikan?Robert Andrews Millikan was an American physicist honored with the Nobel Prize for Physics for the measurement of the elementary electric charge and the photoelectric effect.
In 1909 Millikan started a series of experiments to calculate the electric charge carried by a single electron. He obtained more accurate results in 1910 with his popular oil-drop experiment in which he replaced water with oil.
Millikan in his oil-drop experiment measured the charge on a single electron but J. J. Thomson had already determined the charge-to-mass ratio of the electron. Therefore, if one value (mass or charge) were to be discovered, the other could be determined.
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Write the overall balanced equation and mechanism for the synthesis of isopentyl acetate from isopentyl alcohol and acetic acid. Include all reagents and products but not solvents: Gave Normal B / II U Xz| X1 _ EI=s 6l 0 Di2 B1F1I9=lli (Zpts Upload = drawing of your mechanism. Maximum size for new files 20.OOMB Maximum attachments Drag and drop a file or folder here or click
The reaction with 8 mL of acetic acid with 5 g of isopentyl alcohol underwent Fischer esterification using sulfuric acid as a catalyst. This reaction yielded 3 g of isopentyl acetate.
What is the objective of Isopentyl Acetate Synthesis?
The purpose of this experiment was to produce isopentyl acetate, banana oil. Acetic acid and isoamyl alcohol were used to synthesize isopentyl acetate. The techniques used for the separation and purification of isopentyl acetate were reflux, liquid-liquid extraction, neutralization and distillation.
This experiment's goal was to create isopentyl acetate by using acetic acid and isopentyl alcohol in an esterification reaction with a strong acid as a catalyst. The product underwent washing and distillation. Fisher esterification is the process by which esters are made by esterifying a carboxylic acid when it is heated with an alcohol in the presence of a powerful acid that serves as a catalyst. The banana flavour of the ester was produced. Utilizing sodium bicarbonate, the crude product was extracted, then distillation was performed.
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What would happen if the mechanisms for communication of ideas and discussion of science production did not exist?
Please make a response of 5 complete lines
The thing that will happen if the mechanisms for communication of ideas and discussion of science production did not exist is that researches will be harder to make.
What is communication?The transmission of information is commonly defined as communication. The term can also refer to the message itself or to the field of study that investigates such transmissions.
Because the active role of all participants in this process is recognized, the term "science communication" is now more commonly used than "popularization." Making science more accessible to the general public can help to alleviate society's current confusion and instill hope for the future.
Effective communication is critical to addressing the diversity and inclusion issues that plague science. Without effective communication, gatekeeping will persist, and barriers to understanding science will remain.
Aside from benefiting society as a whole, communicating outside the scientific community can help a researcher's career by increasing the impact of their latest findings, fostering new collaborations across sectors, raising their public profile, and opening doors to unexpected opportunities
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animals inhale air containing oxygen and exhale air with less oxygen and more carbon dioxide. plants use the carbon dioxide to make
Animals breathe in oxygen-rich air and exhale more carbon dioxide and less oxygen, which is used by plants to create the citric acid cycle.
What is oxygen O or O2?O is a single atom of oxygen. Two oxygen molecules combine to form the molecule O2. Our bodies have evolved to breathe oxygen, which makes up the majority of our atmosphere. The chemical element with atomic number 8 as well as the letter O is known as oxygen. It is a highly reactive nonmetal that belongs to the periodic table's chalcogen group as well as an oxidizing agent that easily produces oxides for most elements and other compounds.
What is oxygen used for and its functions?The energy-producing process that powers the metabolisms among most living organisms, respiration, depends heavily on oxygen. All living things, including humans, depend on oxygen in the atmosphere we breathe to survive.
Functions of oxygen are:
• Every living thing needs oxygen to breathe and respire.
• Burning requires the presence of oxygen.
• As a fuel in space programs alongside hydrogen.
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select the correct iupac name for the branched chain alkane.
Longest chain rule: Select longest continuous chain of carbon atoms.
This is called the parent chain while all other carbon atoms which are not included in parent chain are called branch chain or side chains or substituent.
It may be noted that the longest chain may or may not be straight but it must be continuous.
Rule for larger number of side chain : If two chains of equal length are possible, select one with the larger number of side chains.
Lowest number rule : Number the carbon atoms as parent chain as 1,2,3,4 …… etc starting from that end which gives the lowest possible number to carbon atoms carrying the substituent.
numbering of the branched chain is given below
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a chemist adds of a zinc oxalate solution to a reaction flask. calculate the micromoles of zinc oxalate the chemist has added to the flask. be sure your answer has the correct number of significant digits.
The micromoles of zinc oxalate the chemist has added to the flask is 10^-6 moles.
calculation:-
A chemist adds 155.0 mL of a 1.69 X 10^-5 M zinc oxalate (ZnC2O4) solution to a reaction flask.
The relation between molarity and moles and volume is
Molarity = Moles / Volume (L)
Volume = 155 mL =0.155 L
1.69 X 10^-5 M = moles / 0.155 L
Moles = 1.69 X 10^-5 M X 0.155 L = 0.26195 X 10^-5 moles
Moles = 2.6195 X 10^-6 moles = 2.6195 micromoles
1 micro mole = 10^-6 moles.
Pyrolyzed zinc oxalate is used to obtain zinc oxide sunscreen. Zinc oxalate is used in the metalworking industry and in pharmaceutical applications. Release agents such as zinc oxalate have antiseptic properties and the ability to kill bacteria. Zinc fluoride is water soluble and readily dissolves in alcohol and acetone. Also, it is soluble in ammonium hydroxide alkali hydrochloric acid and nitric acid.
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