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September 1, 2014

Homework Help: Chemistry

Posted by Laura on Friday, March 8, 2013 at 10:16pm.

Phosphorus pentachloride decomposes according to the chemical equation:

PCl5(g)<--> PCl3(g)+Cl2(g)

Kc = 1.80 at 250 degrees Celsius

A 0.352 mol sample of PCl5(g) is injected into an empty 4.45 L reaction vessel held at 250 C. Calculate the concentrations of PCl5(g) and PCl3(g) at equilibrium.

PCl5 = ?
PCl3 = ?

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