For a system, H2(g) + I2(g) ⇌ 2 HI(g), Kc = 62.9 at 750 K. 2.80 moles of HI were placed in a 10.0-liter container, brought up to 750 K, and allowed to come to equilibrium. Which situation described below is true, at equilibrium? a. [HI] = 2 × [H2] b. [HI] = [H2] c. [HI] < [H2] d. [HI] > [H2] e. [H2] > [I2]

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