A 1.42-g sample of helium and an unknown mass of O2 are mixed in a flask at

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A 1.42-g sample of helium and an unknown mass of O2 are mixed in a flask at room temperature. The partial pressure of the helium is 42.5 torr, and that of the oxygen is 158 torr. What is the mass of the oxygen?

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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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Question Posted: Apr 19, 2016 07:22 AM

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A 1.42-g sample of helium and an unknown mass of O2 are mixed in a flask at

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V and Tare the same for He and O 2 P He V n He RT ...View the full answer

Chemistry The Central Science

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