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Chapter 16: Q57 AP (page 692)

Question: Write a chemical equation for the dissolution of mercury (I) chloride in water, and give its solubility product expression

Short Answer

Expert verified

$H g_{2} C l_{2} (s) \to H g_{2}^{2 +} (a q) + 2 c l^{-} (a q)$

$K_{s p} = [H g_{2}^{2 +}] [C l]^{- 2}$

Step by step solution

01

Step-by-Step SolutionStep 1: Chemical equation for dissolution of mercury (I)

The chemical equation for the dissolution of $H g_{2} C l_{2} (s)$ in water: $H g_{2} C l_{2} (s)$

$H g_{2} C l_{2} (s) \to H g_{2}^{2 +} (a q) + 2 C l^{-} (a q)$

02

Solubility product expression

The solubility product expression is : $K_{s p} = [H g_{2}^{2 +}] [C l^{-}]^{2}$

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Most popular questions from this chapter

Question: The Mohr method is a technique for determining the amount of chloride ion in an unknown sample. It is based on the difference in solubility between silver chloride ${(AgCl;k}_{SP} {= 1.6×10}^{- 10})$ and silver chromate ${(AgCrO}_{4} {;K}_{SP} {= 1.9×10}^{- 12})$ In using this method, one adds a small amount of CI^- chromate ion to a solution with unknown chloride concentration. By measuring the volume of AgNO₃ added before the appearance of the red silver chromate, one can determine the amount of originally present. Suppose we have a solution that is 0.100 M in CI^- and in. If we add 0.100M solution AgNO₃ drop by drop, will AgCI or AgCrO₄ precipitate first? When first appears, what fraction of CI^- the originally present remains in solution?

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