he equilibrium constant, K, for the following reaction is 2.02×10-2 at 513 K. PCl5 (g) PCl3 (g) + Cl2 (g) An equilibrium mixture of the three gases in a 7.25 L container at 513 K contains 0.246 M PCl5,   7.04×10-2 M PCl3 and 7.04×10-2 M Cl2. What will be the concentrations of the three gases once equilibrium has been reestablished, if the volume of the container is increased to 12.7 L? [PCl5] = ?M [PCl3] = ?M [Cl2] = ?M

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 95QRT
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The equilibrium constant, K, for the following reaction is 2.02×10-2 at 513 K.

PCl5

      (g)

PCl3

      (g) +

Cl2

    (g)


An equilibrium mixture of the three gases in a 7.25 L container at 513 K contains 0.246 M PCl5,   7.04×10-2 M PCl3 and 7.04×10-2 M Cl2. What will be the concentrations of the three gases once equilibrium has been reestablished, if the volume of the container is increased to 12.7 L?

[PCl5] = ?M
[PCl3] = ?M
[Cl2] = ?M
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