the molar solubility of calcium hydroxide, ca(OH)2 is 1.842 x 10^-5M. What is the Ksp value...

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Question

the molar solubility of calcium hydroxide, ca(OH)2 is 1.842 x 10^-5M. What is the Ksp value of calcium hydroxide?

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Answer 1

Answer #1

Ca(OH)2 -------------------> Ca+2 + 2 OH-

S 2S

Ksp = [Ca+2][OH-]^2

= S x (2S)^2

= 4 S^3

= 4 x (1.842 x 10^-5)^3

= 2.50 x 10^-14

Ksp of Ca(OH)2 = 2.50 x 10^-14

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Answer 2

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