Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 7 - Section 7.2 - Molar Mass and Calculations - Questions and Problems - Page 220: 7.10b

Answer

The molar mass for $Al_2O_3$ is equal to 101.96g

Work Step by Step

1. Identify the molar mass for each element in this compound: $Al: 26.98$ g $O: 16.00$ g 2. Multiply each one of them by their respective subscript number: $Al: 26.98$ g * 2 = 53.96 g $O: 16.00$ g * 3 = 48.00 g 3. Calculate the total sum of these values: $53.96g + 48.00g = 101.96g$
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