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0,02 0,04 0,02
BaSO₄ ⇔ Ba²⁺ + SO₄²⁻
1,1 x 10⁻¹⁰ = s. 2 x 10⁻²
s =
s = 0,55 x 10⁻⁸
s= 5,5 x 10⁻⁹
semoga bermanfaat :)