Which hydroxide precipitates first as naoh is slowly added, Ask an Expert

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Precipitates and Molar Concentrations

Suppose the two hydroxides YOH and Z(OH)2 both have Ksp=1.0 x 10-12 and that initially both Y+ and Z2+ are present in a solution at concentrations of 0.0010 mol L-1.

a) which hydroxide precipitates first as NaOh is slowly added to the solution?

b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?

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