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dit :ksp?
jawab : pH = 14 - POH
11 = 14 - POH
11 - 14 = - POH
-3 = -POH
3 = POH
POH = 3
OH^- = 10^-3 ⇒ 5
Ni(OH)2 -> Ni^2+ + 2OH^-
0,5x10^-3 (10^-3)^2
ksp = [ Ni^2+ ] [OH^-]^2
= 5x10^-4 · ( 1x10^-3)^2
= 5x10^-4 · ( 1x10^-6)
= 5x10^-10 <-- C
Jawaban terbaik ya :)