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+//Calculate the Composition of the Vapor in Equilibrium of Liquid A and Liquid B
+
+//Example 7.2
+
+clc;
+
+clear;
+
+XA=36/100;  //Number of mole of Liquid A
+
+XB=1-(36/100);  //Number of mole of liquid B
+
+PdegA=66;  //Vapor pressure of pure A in torr
+
+PdegB=88;  //Vapor pressure of pure B in torr
+
+PA=XA*PdegA;  //Vapor pressure of A in solution in torr
+
+PB=XB*PdegB;  //Vapor pressure of B in solution in torr
+
+PT=PA+PB;  //Total Vapor pressure of solution in torr
+
+XAv=PA/PT;  //Composition of Vapor of A in solution 
+
+printf("Composition of Vapor of A = %.2f ",XAv);
+
+XBv=PB/PT;  //Composition of Vapor B in solution
+
+printf("\nComposition of Vapor of B = %.2f",XBv);