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What Is the Maximum Hydroxide-Ion Concentration That a 0

Question 86

Multiple Choice

What is the maximum hydroxide-ion concentration that a 0.025 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) 7.2 × 10-9
E) 2.7 × 10-5

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