Consider the reaction
\[
Fe_2O_3 (s) + 3CO (g) \rightleftharpoons 2Fe (l) + 3CO_2 (g)
\]
In accordance with Le-Chatlier's principle, which of the following will not disturb the equilibrium?
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In equilibrium problems, only gases and solutes affect equilibriumPure solids and liquids do not change equilibrium position.