Jawabanmu

2014-06-12T20:48:27+07:00
PH = 10
pOH = 4 OH- = 10^-4

L(OH)2 ⇒ L2+ + 2OH-
5x10^-5    5x10^-5  10^-4

Ksp = (L2+)(OH-)² = (5x10^-5)(10^-4)² = 5 x 10^-13