Hydrogen and its compoundHard
Question
The solubility in water of a sparingly soluble salt AB2 is 1.0 × 10-5 mol L-1. Its solubility product number will be
Options
A.4 × 10-10
B.1 × 10-15
C.1 × 10-10
D.4 × 10-15
Solution
[A] = 1.0 × 10-5, [B] = [1.0 × 10-5]
Ksp = [2.B]2[A] = [2 × 10-5]2 [1.0 × 10-5] = 4 × 10-15
Ksp = [2.B]2[A] = [2 × 10-5]2 [1.0 × 10-5] = 4 × 10-15
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