The Following Reaction Is at Equilibrium at a Pressure of 1

Multiple Choice

The following reaction is at equilibrium at a pressure of 1 atm, in a closed container. NaOH(s) + CO₂(g) NaHCO₃(s) H°_rxn < 0
Which, if any, of the following actions will decrease the concentration of CO₂ gas present at equilibrium?

A) adding N₂ gas to double the pressure
B) adding more solid NaOH
C) increasing the volume of the container
D) lowering the temperature
E) none of the above