Answer
22.8 g
Work Step by Step
Due to conservation of mass we can say that -
total mass before reaction = total mass after reaction
34.0 + 12.1 = 23.3 + mass of aluminum oxide
=> mass of aluminum oxide = 22.8g
Chemistry: Atoms First (2nd Edition)
by Zumdahl, Steven S.; Zumdahl, Susan A.
Published by
Cengage Learning
ISBN 10:
1305079248
ISBN 13:
978-1-30507-924-3
Chapter 1 - Additional Exercises - Page 51e: 59
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