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Consider an amphoteric hydroxide, M(OH)2(s), where M is a generic metal. M(OH)2 --> M^(2+0 +2OH^(-) Ksp= 5x10^(-16) M(OH)2 +2OH^(-) --> M(OH)4^(2-) Kf= 0.07. Estimate the solubility of M(OH)2 in a solution buffered at pH = 7.0, 10.0, and 14.0.
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