Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 5 - Molecules and Compounds - Exercises - Problems - Page 157: 35

Answer

A. 4 B. 4 C. 6 D. 4

Work Step by Step

Simply count the number of oxygen atoms in the given molecular formula. For C and D, make sure to distribute the oxygen atoms by the 2 outside of the parenthesis. This demonstrates that the atoms in the parentheses appear twice in the molecule.
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