Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 5 - Gases - Questions & Problems: 5.67

Answer

Please see the work below.

Work Step by Step

We know that $Total\space moles=0.31+0.25+0.29=0.85 \space moles$ $Total\space pressure=1.5 \space atm$ We also know that $Partial\space pressure=mole\space fraction\times total \space pressure$ $P_{CH_4}=\frac{0.31}{0.85}\times 1.5atm=0.54atm$ $P_{C_2H_6}=\frac{0.25}{0.85}\times 1.5atm=0.445atm$ $P_{C_3H_8}=\frac{0.29}{0.85}\times 1.50=0.505atm$
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