Jawabanmu

2014-05-27T23:43:34+07:00
PH =9
pOH = 5
OH- = 10^-5

B(OH)3 ⇒ B3+ + 3OH-
3,3 x10^-6  3,3x10^-6 10^-5

Ksp = (3,3 x 10^-6)(10^-15) = 3,3 x 10^-21
10^-15 atau 10^-5?
kan 10^-5 di pangkatin 3 mba, jadi 10^-15