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diff --git a/1427/CH25/EX25.2/25_2.sce b/1427/CH25/EX25.2/25_2.sce
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+//ques-25.2
+//Determining molecular weight of a gas
+clc
+m1=0.184;//mass of H2 given (in g)
+M1=2;//molar mass of H2 (in g/mol)
+m2=3.7;//mass of another gas (in g)
+T1=273+17;//temperature for H2 (in K)
+T2=273+25;//temperature for the gas (in K)
+M2=(m2*T2*M1)/(m1*T1);
+printf("The molar mass of the given gas is %.2f g/mol.",M2);