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+//Example 7.1
+clear;
+clc;
+
+//Given
+w2=4.450;//weight of solute in g
+m2=98;//molecular mass of solute in g mol^-1
+W1=0.0822;//weight of solvent in kg
+w1=82.2;//weight of solvent in g
+m1=18;//molecular mass of solvent in g mol^-1
+p=1.029;//density of solution in g cm^-3
+
+//To calculate mass percent,mole fraction,mole percent,molarity,molality,normality
+P2=(w2/(w1+w2))*100;//Mass percent
+mprintf('(a) Mass percent = %f',P2);
+x2=(w2/m2)/((w1/m1)+(w2/m2));//Mole fraction
+mprintf('\n (b) Mole fraction = %f',x2);
+M=x2*100;//Mole percent
+mprintf('\n (c) Mole percent = %f',M);
+V=(w1+w2)/p;//volume in cm^3
+c2=(w2/m2)*(1000/V);//Molarity in mol dm^-3
+mprintf('\n (d) Molarity = %f mol dm^-3',c2);
+M2=w2/(m2*W1);//Molality in mol kg^-1
+mprintf('\n (e) Molality = %f mol kg^-1',M2);
+N=(w2/(m2/2))*((1000/V));//normality
+mprintf('\n (f) normality = %f',N);
+//end
+\ No newline at end of file