Question 41

The solubility product of an electrolyte $$\text{A}_3\text{B}_2$$ if its solubility is $$S$$ ____________


Correct Answer: 0

Solution

PLACEHOLDER ANSWER - the answer is an expression in $$S$$. $$\text{A}_3\text{B}_2 \rightleftharpoons 3\text{A}^{2+} + 2\text{B}^{3-}$$, so the ion concentrations are $$3S$$ and $$2S$$. $$K_{sp} = (3S)^3(2S)^2 = 27S^3 \times 4S^2 = 108S^5$$.

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