What concentration of SO3^-2 is in equilibrium with Ag2SO3(s) and 9.90×10−3 M Ag+ ?

Answer 1

Ksp = 1.5x10^-14

Ag₂SO₃(s) <==> 2Ag+(aq) + SO₃^2-(aq)

Ksp = [Ag⁺]²[SO₃^2-]

1.5x10^-14 = [9.90x10^-3]²[SO₃^2-]

[SO₃^2-] = 1.53x10^-10 M