//Problem 11.08:

//initializing the variables:
T1 = 25; // in deg C
ph2s = 0.01; // in atm
Pt = 1; // in atm
Hh2s = 483; // in atm/mole fraction

//calculation:
xh2s = ph2s/Hh2s

printf("\n\nResult\n\n")
printf("\nthe maximum mole fraction %.2E",xh2s)