What Is the Maximum Hydroxide-Ion Concentration That a 0

question 68

Multiple Choice

What is the maximum hydroxide-ion concentration that a 0.019 M MgCl₂ solution could have without causing the precipitation of Mg(OH) ₂? For Mg(OH) ₂,K_sp = 1.8 × 10^-11.

• A) 4.2 × 10^-6
• B) 1.7 × 10^-4
• C) 1.2 × 10^-8
• D) 9.5 × 10^-9
• E) 3.1 × 10^-5

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