The solubility product for an insoluble salt with the formula M₂X is written as ________, where s is the molar solubility.

Name: The solubility product for an insoluble salt with the formula M 2 X is written as ________, where s is the molar solubility.
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Question

Quizplus · Accepted Answer

For a salt M₂X, it dissociates into 2M⁺ and X²⁻ ions. The solubility product expression is Ksp = [M⁺]²[X²⁻]. If s is the molar solubility, then [M⁺] = 2s and [X²⁻] = s. Therefore, Ksp = (2s)²(s) = 4s³.

The Solubility Product for an Insoluble Salt with the Formula