bila pada suhu tertentu kelarutan PbI2=1x10^-4 mol L^-1,hitung Ksp PbI2

Jika kelarutan disimbolkan S, maka
PbI2 <=> Pb2+ + 2I-
S. S. 2S
Ksp = [Pb2+] [I-]^2 = (S) (2S)^2 = 4S^3
Ksp PbI2 = 4(1x10^-4)^3 = 4 x 10^-12
Ksp PbI2 = 4 x 10^-12