6.1沉淀溶解平衡 s=s0+[M+1=s+[A-] s0—固有溶解度 s=M1=[A] 仅用于强电解质 溶度积 A B(s)=nAm+(aq)+mB"-(aq) Kp(ABm)=aA·ag=[A]'yA·B]"yB Kp(A,B)=[A]"[B] Ksp=Kap/YA78 ,一溶度积常数，简称溶度积θ Ksp m A B θ ap K (A B ) a a n n m =  — 溶度积常数,简称溶度积 溶度积 s = s 0 + [M+ ] = s 0 + [A- ] s = [M+ ] = [A- ] s 0——固有溶解度 仅用于强电解质 n m K K A B θ ap θ sp = /   n m K n m (A B ) [A] [B] θ sp = n n m m A B = [A]  [B]  A B (s) A (aq) B (aq) m+ n− n m n + m 6.1 沉淀溶解平衡