Answer
C
Work Step by Step
Molecular weights: $NH_3: 17.03\ g/mol,\ HCl: 36.46\ g/mol$
From Graham's Law:
$\sqrt{\dfrac{\bar{u_A^2}}{\bar{u_B^2}}}=\sqrt{\dfrac{M_B}{M_A}}$
$rms\ ratio=0.68$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 10 Gases and Their Properties - 10-7 Diffusion and Effusion - Review & Check for Section 10-7 - Page 399: 1
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