Answer
$64.11347\frac{g}{mol}$
Work Step by Step
We know that
$PV=nRT$
$\implies n=\frac{PV}{RT}$
$n=\frac{0.862\times 1}{0.0820\times 298}=0.03525mol$
We can find the molar mass as
$molar mass=\frac{2.26g}{0.03525mol}=64.11347\frac{g}{mol}$
General Chemistry 10th Edition
by Ebbing, Darrell; Gammon, Steven D.
Published by
Cengage Learning
ISBN 10:
1-28505-137-8
ISBN 13:
978-1-28505-137-6
Chapter 5 - The Gaseous State - Exercises - Page 194: 5.8
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