Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 4 - Atomic Structure - 4 Assessment - Page 122: 56

Answer

Average mass is the mean (average) of the atomic masses of each individual. A weighted average is the sum of all the mass and relative abundance of the isotopes added together.

Work Step by Step

Average mass is the mean (average) of the atomic masses of each individual. A weighted average is the sum of all the mass and relative abundance of the isotopes added together. Weighted average takes into account both mass and relative abundance.
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