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The Equilibrium Constant Kc for the Reaction

Question 79

Multiple Choice

The equilibrium constant Kc for the reaction
PCl3(g) + Cl2(g) The equilibrium constant K<sub>c</sub> for the reaction PCl<sub>3</sub>(g) + Cl<sub>2</sub>(g) PCl<sub>5</sub>(g) Is 49 at 230°C.If 0.70 mol of PCl<sub>3</sub> is added to 0.70 mol of Cl<sub>2</sub> in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl<sub>3</sub> when equilibrium has been established? A) 0.049 M B) 0.11 M C) 0.30 M D) 0.59 M E) 0.83 M
PCl5(g)
Is 49 at 230°C.If 0.70 mol of PCl3 is added to 0.70 mol of Cl2 in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl3 when equilibrium has been established?


A) 0.049 M
B) 0.11 M
C) 0.30 M
D) 0.59 M
E) 0.83 M

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