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As per your syllabus, for a salt A₂X₃(s) ⇌ 2 A³⁺(aq) + 3 X²⁻(aq) of molar solubility S, the SOLUBILITY PRODUCT Ksp equals which?
A9 S²
B4 S⁵
C27 S⁵
D108 S⁵
Answer & Solution
Correct answer: D. 108 S⁵
syllabus Problem 6.19: Ksp = (2S)²(3S)³ = 4S² × 27S³ = 108 S⁵.
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