Suppose 75

question 145

Multiple Choice

Suppose 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?
(R = 0.08206 L • atm/K • mol)

• A) 6.83 atm
• B) 8.86 atm
• C) 5.38 atm
• D) 3.47 atm
• E) 1.68atm

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