Chapter 18, Problem 101AP

One of the steps in the extraction of iron from its ore $\left(\text{FeO}\right)$ is the reduction of iron(II) oxide by carbon monoxide at $$:

$\text{FeO}\left(s\right)\text{ + CO}\left(g\right)\underset{}{\rightleftarrows }\text{Fe}\left(s\right){\text{ +CO}}_{\text{2}}\text{(}g\text{)}$

If $\text{CO}$ is allowed to react with an excess of $\text{FeO}$, calculate the mole fractions of ${\text{CO and CO}}_{\text{2}}$ at equilibrium. State any assumptions.