后酒子大学 Shihezi University 2) 活度积与溶度积solubility product MA⑩± M叶+A K= QMGA aMAD aM MA(D aunk=ava=kxa KgM=八) 活度积常数 M =YM[M ] aA =YA[Am-] 溶度积常数 MA =MYAIM ]IA]=YMYAKSP.MA KSp.MA=[M][Am-] K2,MM=八T,2）活度积与溶度积 ）活度积与溶度积 solubility product solubility product solubility product solubility product solubility product solubility product solubility product solubility product MA (l) M n+n+ + A n- n￾MA(l ) M A a a a K = ( ) , = MA l M A sp MA a K a a = K� n+ m￾M M A A a a = = γ γ [M ], [A ] n+ m￾sp,MA M A K = γ γ [M ][A ] � M A Ks , p A M = γ γ 活度积常数 活度积常数 溶度积常数 溶度积常数 n+ m- Ksp,MA =[M ][A ] K sp,MA = f(T) � ( , ) , K MA f T I sp = MA l( ) a M a A a