Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 5 - Gases - Exercises: 112

Answer

63.6 grams

Work Step by Step

The atomic mass of $CH_4$ is 16.04. By Graham's Law of Effusion, we have: $$\frac{47.8}{24.0}=\frac{\sqrt{M_2}}{\sqrt{16.04}}$$ $$M_2=63.6$$
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