What Is the Molar Solubility of Mg(OH)₂ in a Basic $5.6 \times 10 ^{- 12}$

Multiple Choice

What is the molar solubility of Mg(OH) ₂ in a basic solution with a pH of 12.50? K_sp for Mg(OH) ₂ is $5.6 \times 10 ^{- 12}$

A) 1.8 × 10^-10 mol L^-1
B) 5.6 × 10^-9 mol L^-1
C) 2.4 × 10^-6 mol L^-1
D) 1.1 × 10^-4 mol L^-1