Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises: 3.2a

Answer

Four CO molecules.

Work Step by Step

Since there are four molecule of CH$_3$OH in the product, there should also be four molecules of CO to provide the necessary starting atoms of C and O to the final product
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