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Ksp Ag2SO4 -> [Ag+]^2 + [SO4^2-]
1,5 . 10^-5 = (2.10^-1)^2 + s
s = 1,5 . 10^-5 = 3,7 . 10^-4
4.10^-2
ditambah dengan 0,2 M Na2SO4
Ksp Ag2SO4 -> [Na+]^2 + [SO4^2-]
1,5 . 10^-5 = s^2 + 2.10^-1
s = = 2,7 . 10^-2,5