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Ba(OH)2 (s) --> Ba^2+ (aq) + 2OH^- (aq)
Ksp Ba(OH)2 = [Ba^2+][OH^-]^2
SrCrO4 (s) --> Sr^2+ (aq) + CrO4^2- (aq)
Ksp SrCrO4 = [Sr^2+][CrO4^2-]
b. hubungan s dan Ksp
Ba(OH)2 (s) --> Ba^2+ (aq) + 2OH^- (aq)
s s 2s
Ksp Ba(OH)2 = [Ba^2+][OH^-]^2
= s x (2s)^2
= s x 4s^2
= 4s^3
SrCrO4 (s) --> Sr^2+ (aq) + CrO4^2- (aq)
s s s
Ksp SrCrO4 = [Sr^2+][CrO4^2-]
= s x s
= s^2 atau s kuadrat