Question

What is the maximum hydroxide-ion concentration that a 0.027 M MgCl2solution could have without causing the precipitation of Mg(OH)2? For Mg(OH)2, Ksp=1.8x10-11.
A) 4.2 x10-6
B) 1.7 x10-4
C) 1.2 x10-8
D) 6.7 x10-9
E) 2.6 x10-5

Answer

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