The most soluble solution for the Lead(II) chloride should be chosen. Concept introduction: Common Ion Effect: - The solubility of a slightly soluble ionic compound is lowered in the presence of a second solute that furnishes a common ion. Non-common Ion Effect: - The effect of “noncommon” or diverse ions is not as strikingas the common-ion effect. Moreover, diverse ions tend to increase rather thandecrease solubility. As the total ionic concentration of a solution increases,interionic attractions become more important. Activities become smaller than thestoichiometric concentration. For the ions involved in the solution process, this means that higher concentrations must appear in solution before equilibrium is established—the solubility increases.

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Chapter 18, Problem 105SAE

Interpretation Introduction

Interpretation:

The most soluble solution for the Lead(II) chloride should be chosen.

Concept introduction:

Common Ion Effect: - The solubility of a slightly soluble ionic compound is lowered in the presence of a second solute that furnishes a common ion.

Non-common Ion Effect: - The effect of “noncommon” or diverse ions is not as strikingas the common-ion effect. Moreover, diverse ions tend to increase rather thandecrease solubility. As the total ionic concentration of a solution increases,interionic attractions become more important. Activities become smaller than thestoichiometric concentration. For the ions involved in the solution process, this means that higher concentrations must appear in solution before equilibrium is established—the solubility increases.

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