Example #5: What is the solubility of Ca(OH)2 in 0.0860 M Ba(OH)2?

Question

Question

Example #5: What is the solubility of Ca(OH)₂ in 0.0860 M Ba(OH)₂?

science chemistry

Answer 1

Answer #1

Ba(OH)2-------------> Ba^2+ (aq) + 2OH^- (aq)

0.086M 2*0.086M

0.172M

Ca(OH)2(s) ----------------> Ca^2+ (aq) + 2OH^- (aq)

x 2x+0.172

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

4.68*10^-6 = x*(2x+0.172)^2

4.68*10^-6 = x*(0.172)^2 [ 2x+0.172 = 0.172 , 2x<<<<<0.172]

x = 0.000158

The solubility of Ca(OH)2 is 1.58*10^-4 M >>>>answer

Answer 2

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