Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 5 - Problems: 5.152

Answer

1.4

Work Step by Step

Let's say that the balloon originally contained 1 mole of both H2 and O2. If 35% of the H2 leaked out, then the remaining amount of H2 would be 0.65 moles. If the O2 leaks out at 1/4 of the H2 rate, then 1/4 x 35% = 8.8% of the O2 leaked out. that would leave 0.912 moles of O2 in the balloon. The new O2/H2 mole ratio is 0.912 / 0.65 = 1.4
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