2.溶度积 沉淀溶解平衡 AgCl(s)=Ag(aq)+ Cl(aq kc( Ag)/c lc(C)/c”] [c(AgCl)/c°] Ksp=[C(Ag)c lc(cr)c y2. 溶度积 沉淀溶解平衡： AgCl(s) = Ag+ (aq) + Cl- (aq) + θ - θ θ θ θ + θ - θ SP [c(Ag )/c ][c(Cl )/c ] K = [c(AgCl)/c ] K [c(Ag )/c ][c(Cl )/c ] =