Practice question
Question
For Ag₂SO₄ , if the solubility is 2.0 × 10⁻² M , what is Ksp ?
Explanation
For Ag₂SO₄ <=> 2Ag+ + SO₄²⁻ , [Ag+] = 2S = 4.0 × 10⁻² , [SO₄²⁻] = S = 2.0 × 10⁻² . Ksp = (4.0 × 10⁻²)² (2.0 × 10⁻²) = 3.2 × 10⁻⁵ .
Question