What is the solubility product, Ksp of Mg(OH) 2 ifits solubility in water is 1.6

Question

What is the solubility product, Ksp of Mg(OH)2 ifits solubility in water is 1.6 x 10-4 mol *L-1? A. 1.6 x 10-11 B. 2.6 x 10-8 C. 3.2 x 10-4 D. 4.1 x 10-12 Please EXPLAIN youranswer. What is the solubility product, Ksp of Mg(OH)2 ifits solubility in water is 1.6 x 10-4 mol *L-1? A. 1.6 x 10-11 B. 2.6 x 10-8 C. 3.2 x 10-4 D. 4.1 x 10-12 Please EXPLAIN youranswer. Please EXPLAIN youranswer.

Explanation / Answer

Mg(OH)2 ----> Mg2+ + 2OH- Ksp = [Mg2+] [OH-]^2 If 1.6 x 10^-4 mol/L Mg(OH)2 dissolves, [Mg2+] = 1.6 x 10^-4 M [OH-] = 3.2 x 10^-4 M Ksp = (1.6 x 10^-4)(3.2 x 10^-4)^2 = 1.6 x 10^-11(A)

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