750 G of PCl₅(g) Is Introduced into a 3

question 52

Multiple Choice

75.0 g of PCl₅(g) is introduced into a 3.00 L vessel containing 10.0 g of Cl₂(g) , and the system is allowed to reach equilibrium at 250ºC.PCl₅(g) ⇌ PCl₃(g) + Cl₂(g)
If K_p = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium

• A) 6.83 atm
• B) 8.85 atm
• C) 5.38 atm
• D) 3.47 atm
• E) 7.42 atm