NCERT Exercise 6.71 - Equilibrium

Question: Find maximum concentration of equimolar FeSO4 and Na2S solutions so equal-volume mixing does not precipitate FeS; Ksp = 6.3 x 10^-18.

Answer: Maximum initial concentration = 2.5 x 10^-9 M.

Full step-by-step NCERT solution with diagrams on Something by Zero.