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+//Example 7.21
+clear;
+clc;
+
+//Given
+R=82;//gas constant in atm cm^3 K^-1 mol^-1
+w2=0.45;//mass of solute in g
+M2=180;//molecular mass of the solute in g mol^-1
+T=300;//temperature in K
+
+//To determine the height attained by water inside the tube and the osmotic pressure
+h=sqrt((w2*R*T*1013250)/(M2*980.67));//height attained by water inside the tube
+pi=(980.67*h)/(1013250);//the osmotic pressure in atm
+mprintf('The height attained by water inside the tube = %f cm',h);
+mprintf('\n The osmotic pressure = %f atm',pi);
+//end
+\ No newline at end of file