For the Reaction: PCl₃(g) + Cl₂(g) ⇌ PCl₅(g) at 85°C

question 5

Multiple Choice

For the reaction: PCl₃(g) + Cl₂(g) ⇌ PCl₅(g) at 85°C, Kp = 1.19
If one starts with 2.00 atm pressure of PCl₃, 1.00 atm pressure of Cl₂ and no PCl₅, what is the partial pressure of PCl₅(g) at equilibrium?

• A) 0.167 atm
• B) 0.739 atm
• C) 0.621 atm
• D) 0.465 atm
• E) 0.553 atm

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