clc //initialization of variables D1=0.0035 l=2.59 //cm t=1.62 //hr C1=0.03 //mol/l T1=298 //K R=0.0821 //arm/mol K D2=0.005 t2=0.49 //hr Ps=733 //mm of Hg P=760 //mm of Hg //calculations Lps=D1*l/(t*3600) /(C1*R*T1) Lp=(D2*l/(t2*3600) + Lps*(C1*R*T1))/(Ps/P) Lp=2.4*10^-6 sig=Lps/Lp sig2=0.95 //results printf("Transport coefficient for phase 1 = %.2f",sig) printf("\n Transport coefficient for phase 2 = %.2f",sig2)