Question


Consider the following equilibrium:

PCl5 = PCl3+ Cl2


5.0 moles of are placed in a 10.0 L flask at 200 C and allowed to come to equilibrium. Analysis shows that 1.0 mole of is present in the equilibrium mixture. How many moles of are present at equilibrium.
Choose one answer.

a. 0

b. 1.0

c. 2.0

d. 3.0

e. 4.0


I get ) but not sure if I am answering correctly based on what they give in the problem.
I get 0 as the answer but not sure if I am right
You didn't type all of the problem.
Analysis shows that 1 mole of (WHAT) is present at equilibrium.

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