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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