Ricky and Shemane, who are stoked to be learning stoich, were working diligently on a chemistry assignment in class. Ricky realized that in most chemical reactions, there’s an excess of one reactant. How would Shemane correctly explain to Ricky why this occurs? the reaction will continue until all of the limiting reactant is consumed.

reactions do not take place unless there are unequal amounts of reactants.

the reaction will continue until all of the excess reactant is consumed.

reactions occur too quickly if equal amounts of reactants are used.