3.溶度积(solubility product constant-一Kso) 对于MA型沉淀 S=M]=A]=√K 对于M,A,型沉淀 K2=M"”[Nm”=（Sm0S)”="n.S 2024/10/1 2024/10/1 3. 溶度积(solubility product constant—Ksp) +  − = = = = + − M A a p SP K S M A K   0 [ ] [ ] 对于MA型沉淀 对于Mm An 型沉淀 n m m n m n m n m n KSP M N mS nS m n S + − + =[ ] [ ] =（ ）（ ）=   m n m n SP m n K S +       = 1