Which one of the following would force the forward reaction to completion?
CaCO3(s) + 2H3O+(aq) Ca2+(aq) + 3H2O + CO2(g)
a. Removing some H3O+ from the reaction mixture, by neutralizing it with base.
b. Adding more Ca2+ to the mixture.
c. Removing CO2 as it is formed.
d. Adding CO2 to the reaction mixture.
e. None of these would have any effect on the amount of CaCO3 consumed.
Answer: c. Removing CO2 as it is formed.