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Categorize sodium ochloride and Sodium chloride solution and compound - Justify. into into Mixture​

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Answer 1

Sodium chloride (NaCl) can be categorized as a compound rather than a mixture.

A compound is a substance composed of two or more elements chemically bonded together in fixed proportions. Sodium chloride is formed by the ionic bond between sodium (Na) and chloride (Cl) ions. It has a specific chemical formula (NaCl), indicating the fixed ratio of sodium to chloride in the compound. The composition of sodium chloride is consistent throughout its structure, and it cannot be separated into its individual components by physical means.

However, when sodium chloride is dissolved in water to form a sodium chloride solution, it can be considered a mixture. A mixture is a combination of two or more substances that are physically combined and can be separated by physical means. In the case of a sodium chloride solution, sodium chloride particles disperse throughout the water, forming a homogeneous mixture. The sodium chloride remains intact as ions within the solution and can be separated from the water by processes like evaporation.

Therefore, sodium chloride itself is a compound due to the chemical bonding between sodium and chloride, while a sodium chloride solution can be classified as a mixture due to the physical combination of the compound with water.

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The system from the description must be an open system. Option C

What is an open system?

An open system is one that communicates with and is influenced by its surroundings. An open system interacts with its environment by exchanging matter, energy, and information, as opposed to a closed system, which is self-contained and runs autonomously.

The idea of open systems highlights how interconnected and reliant on its environment a system is. For the analysis of system behavior, adaptability, and responses to external forces, understanding these interconnections is essential.

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