Question

I want to know the solubility of the salts , their ph, and are the salts acidic or basic or neutral , the acids and bases used to form these salts please

Answer 1

Answer:

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Explanation:

dont know the answer

Answer 2

Answer:

Procedure:

The activity 2.14 asks us to collect some sample of various salt, check for its solubility in water, and PH of the solution formed.

Solubility:

All salts of inorganic acids and inorganic bases like HCl, NaOH etc are readily soluble in water.

Salts of organic acids and organic bases are mostly insoluble in water but some may be soluble. Here only one organic salt Sodium acetate is asked which is highly soluble in water.

Explanation of solubility:

Salts of inorganic acids are polar in nature. Polar substances dissolve in polar solvents like water. Salt of organic acids and bases are mainly non-polar in nature. They dissolve in a non-polar solution like Benzene, and carbon tera chloride.

The PH of the solution:

Salts of strong acids and strong bases form a neutral solution with water. E.g. Sodium chloride.

Salts of a strong base and weak acid form basic solution. e.g. Sodium acetate solution. Sodium acetate is a salt of strong base sodium hydroxide and a weak acid Acetic acid. It will turn the PH paper into red or yellow.

Salts of a weak base and strong acid form acidic solution with water. E.g. Ammonium chloride. Ammonium hydroxide is a weak base as compared to hydrochloric acid. So its sal from acidic solution with water.

Explanation:

The PH of the solution depends on the presence of Hydrogen ion (H+) and hydroxide ion (OH–). In pure water, they remain at equilibrium with 10-7 each.

H2O ============== H++OH

10PH of solution = -(Log H+) = -log 10-7 = 7

When we add salt of a strong acid and strong base it dissociates into its ion fully and equilibrium remains the same.

NaCl ————-> Na+ + Cl–

But a salt of a strong acid and a weak base ( e.g. Ammonium chloride) or salt of a weak acid and strong base (e.g. Sodium acetate) does not dissociate fully and disturb the equilibrium of water.

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