Ionic EquilibriumHard
Question
Let the solubility of an aqueous solution of Mg(OH)2 be x then its ksp is
Options
A.4x3
B.108x5
C.27x4
D.9x
Solution
Mg(OH)2 → [mg2+] + 2[OH-]
x 2x
Ksp = [Mg] [OH]2 = [x] [2x]2 = x . 4x2 = 4x3
x 2x
Ksp = [Mg] [OH]2 = [x] [2x]2 = x . 4x2 = 4x3
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