\(\therefore \,\,{P_S}\, = \,\,P_A^0{X_A}\, + \,\,P_B^0{X_B}\)
\(760\,\, = \,\,900\,\,{X_A}\, + \,\,360\,\,(1\,\, - \,\,{X_A})\,\,\, \Rightarrow \,\,{X_A}\, = \,\,0.740\)
(અણુભાર : $CHCl_3 = 119.5\, u, CH_2CI_2 = 85\,u$)
[$A =100 \,g\, mol ^{-1} ; B =200 \,g\, mol ^{-1}$$ C =10,000 \,g\, mol ^{-1}$ના મોલર દળ આપેલ છે ]