Answer
B
Work Step by Step
The calculation of Q:
$Q=[NO]^2/[N_2][O_2]=(4.2\times10^{-4}M)^2/(0.05\ M\times 0.025\ M)$
$Q=1.31\times10^{-4}$
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 15 Principles of Chemical Reactivity: Equilibria - 15-2 The Equilibrium Constant and Reaction Quotient - Review & Check for Section 15-2 - Page 564: 2
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