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What Is the Minimum PH at Which Cobalt(II) Hydroxide [Ksp

Question 26

Multiple Choice

What is the minimum pH at which cobalt(II) hydroxide [Ksp = 2.0 × 10^-16] will precipitate from a solution 0.020 M in CO₃²⁺?

A) 5.8
B) 6.2
C) 7.0
D) 7.8
E) 8.2

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