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April 21, 2014

Homework Help: CHEMISTRY

Posted by Kylie on Friday, March 9, 2012 at 6:31pm.

Equilibrium Equation with Partial Pressures PCl3(g) +Cl2(g) <-> PCl5(g)?
An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respectively. A quantity of Cl2(g) is injected into the mixture, and the total pressure jumps to 263.0 Torr.

The appropriate chemical equation is
PCl3(g) +Cl2(g) <-> PCl5(g)

What are the new Partial Pressures:

PCl3

Cl2

PCl5

I have an answer of
PCl3= 6.2
PCl5= 224

I can't find the answer for Cl2!
please help. I got an answer of 32.8 torr for Cl2 but it is wrong. Thanks.

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