Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 10 - Chemical Quantities - 10 Assessment: 103

Answer

9.43 g O

Work Step by Step

Use the density of air to convert grams of air into liters of air. Use the percent by volume of oxygen as a conversion factor in order to convert liters of air into liters of oxygen. Then use the molar volume of a gas at STP as a conversion factor to convert liters of oxygen into moles of oxygen. Finally, use molar mass of oxygen to determine the grams of oxygen.
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