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+clear;
+clc;
+
+// A Textbook on HEAT TRANSFER by S P SUKHATME
+// Chapter 9
+// Mass Transfer
+
+
+// Example 9.1
+// Page 349
+printf("Example 9.1, Page 349 \n \n");
+
+w_a = 0.76 ;
+w_b = 0.24 ;
+m_a = 28 ; // [kg/kg mole]
+m_b = 32 ; // [kg/kg mole]
+
+x_a = (w_a/m_a)/(w_a/m_a+w_b/m_b);
+x_b = (w_b/m_b)/(w_a/m_a+w_b/m_b);
+printf("The molar fractions are given by \n");
+printf("x_a = %f\n",x_a);
+printf("x_b = %f",x_b);