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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+T=298;//Temperature in kelvin//
+ST=0.2;//Lowered surface tension in dyn per cm//
+K=1.37*10^-16;//Boltzman's constant//
+AM=(K*T)/ST;//Area per molecule on the surface in cm^2//
+A=300;//Total area occupied in cm^2//
+N=A/AM;//no. of molecules//
+W=3*10^-7;//weight of insoluble substance in grams//
+w=W/N;//weight of one molecule in grams//
+N1=6.023*10^23;
+MW=w*N1;//Molecular weight of substance in grams//
+printf('Molecular weight of substance=MW=%f=123',MW);
+