Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 10 Gases and Their Properties - Study Questions - Page 403f: 75


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Work Step by Step

a) $d=P\bar{M}/RT$ $\bar{M}=0.092\ kg/m^3×8.314\ Pa.m^3/mol.K×210\ K\div (42/760×101325\ Pa)$ $\bar{M}=0.0287\ kg/mol=28.7\ g/mol$ b) $28.7\ g/mol=28.01×x+32.00×(1-x)$ $x=0.827=82.7\%$
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