Chemistry: Principles and Practice (3rd Edition)

Published by Cengage Learning
ISBN 10: 0534420125
ISBN 13: 978-0-53442-012-3

Chapter 2 - Atoms, Molecules, and Ions - Questions and Exercises - Exercises - Page 86: 2.74

Answer

(a) (30.974 x 4) + (10 x 16) = 283.896 u (b) (6 x 12) + (1 x 7) + (1 x 14) = 95 u (c) (1 x 3) + (30.974) + (4 x 16) = 97.974 u

Work Step by Step

We find, using the atomic masses on the periodic table: (a) (30.974 x 4) + (10 x 16) = 283.896 u (b) (6 x 12) + (1 x 7) + (1 x 14) = 95 u (c) (1 x 3) + (30.974) + (4 x 16) = 97.974 u
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