Answer
$K_{c}= 1.2$
Work Step by Step
$K_{c} = \frac{[PCl_{3}][Cl_{2}]}{[PCl_{5}]} = \frac{(1.3\times10^{-2})(3.9\times10^{-3})}{4.2\times10^{-5}}$ = 1.2
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 12 - Chemical Equilibrium - Questions for Review and Thought - Topical Questions - Page 523b: 35
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