Calculate the NaOH Concentration Necessary to Precipitate Ca(OH)₂ from a Solution

question 45

Multiple Choice

Calculate the NaOH concentration necessary to precipitate Ca(OH) ₂ from a solution in which [Ca²⁺] = 1.0. K_sp of Ca(OH) ₂ = 8 x 10^-6.

• A) 6.7 x 10^-8 M
• B) 2.8 x 10^-3 M
• C) 1.5 x 10^-7 M
• D) 0.10 M

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