Question: (a) Why is the concentration of undissolved solid not explicitly included in the expression for the solubility-product constant? (b) Write the expression for the solubility-product

(a) Why is the concentration of undissolved solid not explicitly included in the expression for the solubility-product constant?
(b) Write the expression for the solubility-product constant for each of the following strong electrolytes: AgI, SrSO4, Fe(OH)2, and Hg2Br2.

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