Answer
B
Work Step by Step
The concentration of reacted N2O4
$0.010/2-0.0042=0.0008\ M$
By stoichiometry:
$[NO_2]=2\times reacted=0.0016\ M$
$K=[NO_2]^2/[N_2O_4]$
$K=0.0016^2/0.0042$
$K=6.09\times10^{-4}$
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 - 15-3 Determining an Equilibrium Constant - Review & Check for Section 15-3 - Page 566: 1
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