What is the maximum hydroxide-ion concentration that a 0.027 M MgCl2 solution could have without causing the precipitation of Mg(OH) 2? For Mg(OH) 2,Ksp = 1.8 10-11.
A) 4.2 10-6
B) 1.7 10-4
C) 1.2 10-8
D) 6.7 10-9
E) 2.6 10-5
Correct Answer:
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