Magnesium hydroxide,

CHEMISTRY · Subjective · AP · Chemistry · Acids and Bases · Acids and Bases

Problem

Magnesium hydroxide, Mg(OH)2(s)Mg(OH)_2(s), has Ksp=1.8×10−11K_{sp}=1.8\times10^{-11} at 25 °C. Calculate the lowest pH at which the concentration of dissolved Mg2+Mg^{2+} ions can be kept at or below 1.0×10−5 M1.0\times10^{-5}\,\text{M} in equilibrium with solid Mg(OH)2Mg(OH)_2.

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