# Problem: A Student ran the following reaction in the laboratory at 502 K:PCl3(g) + Cl2(g) ⇌ PCl5(g)When she introduced 0.199 moles of PCI3(g) and 0.235 moles of Cl2(g) into a 1.00 liter container, she found the equilibrium concentration of Cl2(g) to be 6.84 x 10-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction.

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79% (451 ratings) ###### Problem Details

A Student ran the following reaction in the laboratory at 502 K:

PCl3(g) + Cl2(g) ⇌ PCl5(g)

When she introduced 0.199 moles of PCI3(g) and 0.235 moles of Cl2(g) into a 1.00 liter container, she found the equilibrium concentration of Cl2(g) to be 6.84 x 10-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction.

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Based on our data, we think this problem is relevant for Professor Castaneda's class at UMICH.