Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 3 - Stoichiometry - Questions - Page 128: 34


A reactant is present in excess if there is more of that reactant present than is needed to combine with the limiting reactant for the process.

Work Step by Step

By definition, the limiting reactant cannot be present in excess. An excess of any reactant does not affect the theoretical yield for a process; The theoretical yield is determined by the limiting reactant.
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