3.溶解度与溶度积关系 对于MA型沉淀 K S=[M]=[A]=√Ksp 对于MnAn型沉淀 Ksp=Mm.IN]=(msm(nS)"=m".n"S SPm+n n3.溶解度与溶度积关系 + − = = = = + − M A S P S P 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 SP K M N mS n S m n S + − + =[ ] [ ] =( ) ( ) = m n m n SP m n K S + = 1