(b) Briefly explain how the presence of charged ions in ionic solids such as NaCl(s) helps to explain why NaCl(s) is a soluble in water.

NaCl is soluble in water, because Na⁺ and Cl⁻ ions undergo solvation readily.

NaCl is a strong electrolyte, that is, when dissolved in water it completely dissociates into its ions.

Na⁺ and Cl⁻ ions undergo solvation, which is the interaction of the solvent with dissolved molecules.

Na⁺ ions are solvated by the more negative part of the water dipole (around oxygen atoms).

Cl⁻ ions are solvated by the more positive part of the water dipole (around hydrogen atoms).

The solvation helps to stabilize the solution.

NaCl is soluble in water, because Na⁺ and Cl⁻ ions undergo solvation readily.

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-The stronger electrostatic forces of attraction between the oppositely charged ions causes the Sodium chloride to break apart until it completely dissolves in the water.

Explanation:

-Sodium Chloride has positively charged sodium ions, and negatively charged chloride ions, .

-Water on the other hand has positively charged Hydrogen ions, and negatively charged Oxygen ions, due to the difference in electroneganivity.

-When dissolved in water, the positively charged sodium ions will attract the partially negatively charged oxygen ions. The negatively charged chloride ions will be attracted to the positively charged hydrogen ions in the reaction as below: