3.溶解度与溶度积关系 对于MA型沉淀 M)=(△)√k9 KSP=c(Ag)cc(CI)cl=(s/c) 对于MnAn型沉淀 KSP =C(M").c(N")=(ms m(ns )n-mm n".smtn3.溶解度与溶度积关系 θ + - θ S θ + θ - θ 2 P θ K [c(Ag )/c ][c(Cl ) SP s/c =c(M )=c /c ]=(s/ ( )= K c A = ) 对于MA型沉淀 对于Mm An 型沉淀 θ n+ m m- n m n m n m+n SP θ m+n SP m n K =c(M ) .c(N ) = =m .n .s K s= m n (ms).(ns)