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Chemical Equilibrium Solubility Product and Molar Solubility

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If the molar solubility of Mg(OH)₂ is x, its Ksp is:

Verified Answer & Explanation⌄

Correct Answer: A) 4x³

Concept Explanation

Mg(OH)₂ ⇌ Mg²⁺ + 2OH⁻, so [Mg²⁺] = x and [OH⁻] = 2x; therefore Ksp = x(2x)² = 4x³.

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