//Example 7.12 clear; clc; //Given R=8.314;//gas constant in J K^-1 mol^-1 Tb=353.1;//Boiling temperature in K delHvap=30.67;//heat of vapourization of benzene in kJ mol^-1 M1=78;//molecular mass of benzene in gm //To determine the molal boiling point elevation constant of benzene Kb=(R*(Tb^2)*M1)/(10^6*delHvap);//molal boiling point elevation constant of benzene in K kg mol^-1 mprintf('The molal boiling point elevation constant of benzene is = %f K kg mol^-1',Kb); //end