Problem: For the reaction: H 2 (g) + Br 2 (g) ⇌ 2 HBr (g), K c = 7.5 × 10 2 at a certain temperature. If 2 mole each of H 2 and Br 2 are placed in 2-L flask, what is the concentration of H 2 at equilibrium?   A) 0.96      B) 0.93            C) 1.86            D) 0.04            E) 0.07

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For the reaction: H (g) + Br (g) ⇌ 2 HBr (g), c = 7.5 × 10 2 at a certain temperature.

If 2 mole each of H 2 and Br 2 are placed in 2-L flask, what is the concentration of H 2 at equilibrium?  

A) 0.96      B) 0.93            C) 1.86            D) 0.04            E) 0.07

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