H2(g) + CO2(g) <----------------> H2O(g) + CO(g)
6.8Â Â Â Â Â Â Â Â
6.8Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
0Â Â Â Â Â Â Â Â Â Â Â Â
0
6.8-x     Â
6.8-x                             Â
x            Â
x
Keq = PH2O x PCO / PH2 x
PCO2
0.534 = x^2 / (6.8 - x)^2
x = 2.87
PH2O = x = 2.87 atm
PH2 = 6.8 - x = 3.93 atm
from PV = n RT
3.93 x 1 = n x 0.0821 x 973
n = 0.0492
mass of H2 = 0.0492 x 2
                  Â
= 0.0984 g
mass of H2 = 0.0984 g
