Initial concentration of H2O is = Number of moles /
volume in L
                                         Â
= 6.05 mol / 5.90 L
                                         Â
= 1.025 M
                            Â
C(s) + H2O(g) ⟺ CO(g) +
H2(g)
initial
conc                     Â
1.025Â Â Â Â Â Â Â Â
0Â Â Â Â Â Â Â Â Â 0
change                           Â
-a          Â
+a        +a
Equb
conc                 Â
1.025-a        Â
a         a
Equilibrium constant , Kc = ([CO][H2]) /
[H2O]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Concentration solids cannot be considered.
                         Â
0.032 = ( a x a ) / (1.025 - a )
Solving we get a = 0.166 M
So Equilibrium concentration of H2O = 1.025-a = 1.025
- 0.166 = 0.859 M
Equilibrium concentration of CO = a = 0.166 M
  Equilibrium concentration of H2 = a =
0.166 M
              Â