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clear ;
clc;
printf("\t Example 11.6\n");
T1=263.15; //temp.of ice,K
Pv=exp(21.99-6141/(T1)); //vapor pressure,KPa
xw=Pv/101.325; //mole fraction of water
mw=xw*18.02/(xw*18.02+(1-xw)*28.96); //mass fraction
printf("\t mass fraction of watervapor above the surface of ice is :%.5f\n",mw);
//end
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