Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 3 - Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 148a: 13



Work Step by Step

In a reaction, we are trying to find the correct ratio. To do this, we know that mass cannot be destroyed. We see that we have 2 A's on the right and left, along with 4 A's on the right and left. Thus, the reaction is balanced.
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