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Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed...

Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16.

(a) pH 7.6
_________M
(b) pH 10.2
__________M
(c) pH 12.0
___________M

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