3.溶度积( solubility product constant-Ksp) 对于MA型沉淀 S=[M]=[A]=√Ksp= 对于M,A型沉淀 K sP=[Mt]m [Nm]=(mS)m (nS)"=mm n".Smtn K +n SP m n 202l/2/24 WZU-Department of Chemistry Material Science >|K2021/2/24 WZU-Department of Chemistry & Material Science 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