完全理想系的Pxy相图 r=75°C 服从Raou定律 P=8321 Subcooled P2=x,P? P+P xP1+(1-x) =4l.98 PS +x,Ps-p Superheated 0.4 0.6 0.8 igure 10.1 Pxy diagram for acetonitrile (I)/nitromethane()at 75C as given by Raoult's lav next完全理想系的 P-x-y 相图 next 服从Raoult定律 ( ) ( ) s s s s s s s P x P P x P x P P P P P x P P x P 2 1 1 2 1 1 1 2 1 2 2 2 2 1 1 1 1 = + − = + − = + = =