Kc = 0.040 for the system below at 450°C. If a reaction is initiated with 0.20 mole of Cl2 and 0.20 mole of PCl3 in a 1.0-liter container, what concentration of PCl5 will be present at equilibrium?

Kc = 0.040 for the system below at 450°C. If a reaction is initiated with 0.20 mole of Cl2 and 0.20 mole of PCl3 in a 1.0-liter container, what concentration of PCl5 will be present at equilibrium?

Kc = 0.040 for the system below at 450°C. If a reaction is initiated with 0.20 mole of Cl2 and 0.20 mole of PCl3 in a 1.0-liter container, what concentration of PCl5 will be present at equilibrium?



PCl5(g) PCl3(g) + Cl2(g)

a. 0.09 M
b. 0.13 M
c. 0.22 M
d. 0.31 M
e. 0.16 M


Answer: b. 0.13 M


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