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a) If the molar solubility of cobalt (II) hydroxide is 5.4 x 10-6 moles/L in pure water, what is the Ksp value?

b) What is the molar solubility of Co(OH)2 in a buffered solution that has a pH of 10.43?

c) Account for the difference in molar solubilities in parts a and b.

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