3)实际溶液 ug =ug(T,P)+RTLnaB △，G品=∑VB4B(T,P)=-RTLnK8 K(T,P) h GY H a a ap1 3）实际溶液 B = B T P + RTLnaB ( , )      r Gm = B  B T P = −RTLnKa ( , ) * K (T, P) a  d D a A h H g G A D d G g H h d D a A h H g G a C C C C C C C C C a a a a K          ( )( ) ( ) ( ) , = =    Ka,C = KC K