Question

Concentration of the Ag⁺ ions in a saturated solution of Ag₂C₂O₄ is 2.2 × 10^-4 mol L^-1. Solubility product of Ag₂C₂O₄ is

(a) 2.66 × 10^-12

(b) 4.5 × 10^-11

(c) 5.3 × 10^-12

(d) 2.42 × 10^-8