For the Equilibrium PCl₅(g) PCl₃(g)+ Cl₂(g),K_c = 4

question 34

Multiple Choice

For the equilibrium PCl₅(g) PCl₃(g) + Cl₂(g) ,K_c = 4.0 at 228°C.If pure PCl₅ is placed in a 1.00-L container and allowed to come to equilibrium,and the equilibrium concentration of PCl₅(g) is 0.26 M,what is the equilibrium concentration of PCl₃?

• A) 0.13 M
• B) 0.37 M
• C) 0.26 M
• D) 1.0 M
• E) 0.017 M

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