A solution initially contains

CHEMISTRY · Single correct · AP · Chemistry · Equilibrium · Equilibrium

Problem

A solution initially contains 0.050 M Mg2+0.050\,\text{M}\,\text{Mg}^{2+}. What minimum pH must be reached (at 25 °C) before Mg(OH)2_2(s) just begins to precipitate? (Ksp(Mg(OH)2)=1.8×10−11K_{sp}(\text{Mg(OH)}_2)=1.8\times10^{-11}) (a) 10.52 (b) 9.28 (c) 8.63 (d) 8.98

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