Question

 How much Ag⁺ would remain in solution after mixing equal volumes of 0.080 M AgNO₃ and 0.08N HOCN. 

Given that : K_sp for AgCN = 2.3 x 10^–7

K_a(HOCN) = 3.3 x 10^–4

Answer 1

Amount of [Ag⁺] pptted = (.04 –x)M 

Amount of ^–CN ppted = (.04 – x)N