Question

A 4.0 x10-4 M solution of MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? For Mn(OH)2, Ksp=2.0x10-13.
A) 4.70
B) 9.57
C) 4.65
D) 9.35
E) 9.30

Answer

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