Jawabanmu

2014-04-23T19:39:35+07:00
Ksp Fe(OH)2 = 8. 10-16

Fe(OH)2 -> Fe+ + 2OH-
 ksp = s. (2s)2
8.10-16 = 27 s2

s = \sqrt[3]{ksp :27}
s= \sqrt[3]{8. 10^{-16} : 27}