Chemistry · Chemical Equilibria for Analysis · Free Energy & Chemical Equilibrium
Problem
An acidified solution of 0.05 M Zn²⁺ is saturated with 0.1 M H₂S. What is the minimum molar concentration (M) of H⁺ required to prevent the precipitation of ZnS? Use Kₛₚ(ZnS) = 1.25 × 10⁻²² and overall dissociation constant of H₂S, KNET = K₁K₂ = 1 × 10⁻²¹.