Diketahui Ksp L(OH)2 = 3,2x 10^-11. Hitunglah pH larutan jenuh L(OH)2 itu !

L(OH)2 -> L2+ + 20H-
KSP. S. (2S)^2
KSP= 4S^3
32* 10^-12 = 4S^3
S^3 =8 10^-12
S = 2 10^-3

OH-= 2.10^-3 * 2
= 4*10^-3
POH = 3- LOG 4
PH= 14-(3-LOG4)
=11+LOG4