Equilibrium in Solution - Physical Chemistry

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Question

A saturated aqueous solution of calcium hydroxide is prepared. Given the information above, how will adding of affect the solubility and the of the solution?

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Answer

Adding contributes ions into the solution, driving the reaction to the left, and decreasing the solubility of the calcium hydroxide. This is known as the common-ion effect. The remains unchanged. This is due to the fact that only a change in temperature can bring about a change in an equilibrium constant.

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