Answer
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Work Step by Step
Since the air we breath is 21% oxygen, this means that the mole fraction of oxygen is .21. We find the partial pressure:
$720 \ mmHg \times .21 = 151 \ mmHg$
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 8 - Properties of Gases - Questions for Review and Thought - Review Questions - Page 370: 6
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