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what concentration of SO3^2- is in equilibrium with Ag2SO3 (s)and 3.60×10^-3 M Ag? The ksp of Ag2SO3 is 1.5×10^-14

Sagot :

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Ag₂SO₃ ⇔ 2Ag⁺ + SO₃²⁻

Ksp = [Ag⁺]²[SO₃²⁻]
[SO₃²⁻] = x

1.5*10⁻¹⁴ = (3.6*10⁻³)² * x
1.5*10⁻¹⁴ = 12.96*10⁻⁶ * x
x = 1.5*10⁻¹⁴/12.96*10⁻⁶
x=0.12*10⁻⁸=1.2*10⁻⁹M