Question

the reactant in excess in a chemical reaction is one that
o is consumed completely in a reaction.
o is not consumed completely in a reaction.
o has the largest molar mass.
o has the largest coefficient in the balanced reaction.

Explanation:

A reactant in excess is a reactant that is present in a greater amount than needed for the reaction to go to completion. It is not consumed completely.

Answer:

is not consumed completely in a reaction.