Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 3 - Sections 3.1-3.12 - Exercises - Review Questions - Page 130: 14

Answer

Percent composition by mass is an element's percentage of the total mass of a compound containing it. Percent composition is useful because a given percentage of an element represents the number of grams of that element per 100 grams of that compound.

Work Step by Step

Percent composition can be used as a conversion factor between the mass of an element and the mass of the compound.
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