//Chapter-10,Example 7,Page 254 clc(); close(); R=8.314 //gas constant F=96500 //Farade's constant n=2 T=298 //temperature in Kelvin C1= 0.01 C2= 0.1 E_cell=(2.303*R*T/(n*F))*log10(C2/C1) printf('the e.m.f. of cell is %.4f V',E_cell)