Consider an amphoteric hydroxide, M(OH)2(s). Where M is a generic metal.
M(OH)2(s) ⇌ M2+(aq) + 2OH-(aq) Ksp = 2 x 10 -16
M(OH)2(s) + 2OH-(aq) ⇌ M(OH)42-(aq) Kf = 0.06
Estimate the solubility of M(OH)2 in a solution buffered at pH = 7.0, 10.0, and 14.0.
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