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M = n/V = 0,5/2 = 0,25 M
PbI2 (s) --> Pb^2+ (aq) + 2I^- (aq)
s s 2s
PbI2 (s) --> Pb^2+ (aq) + 2I^- (aq)
0,25 M 0,25M 0,5 M
Ksp = [Pb^2+][I^-]^2
= 0,25 (0,5)^2
= 0,25 x 0,25
= 6,25 x 10^-2
Jadi hasil kali kelarutan PbI2 adalah 6,25 x 10^-2