Chemistry 12th Edition

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

Chapter 5 - Gases - Questions & Problems: 5.44

Answer

Please see the work below.

Work Step by Step

We know that: $n=\frac{PV}{RT}$ $n=\frac{0.97\times 5.4}{0.0821\times 317}$ $n=0.20moles$ Now $M=\frac{m}{n}$ We plug in the known values to obtain: $M=\frac{7.10}{0.20}=35.1\frac{g}{mol}$
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