Chemistry: Molecular Approach (4th Edition)

by Tro, Nivaldo J.

Published by Pearson

ISBN 10: 0134112830

ISBN 13: 978-0-13411-283-1

Chapter 4 - Section 4.4 - Solution Concentration and Solution Stoichiomentry - Conceptual Connection - Page 157: 4.7

Answer

$A$ is the limiting reagent.

Work Step by Step

The reaction needs twice the amount of A than B. Since the amount of A and B given is the same, B is in excess and A is completely consumed. So, A is the limiting reactant.

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