2. A 1000 cc flask is filled with 4.00 grams of hydrogen gas and 8.27 ounces of bromine gas at   448oC. The value of the equilibrium constant, Kc, for the reaction hydrogen gas + bromine gas ⇄ hydrogen bromide (g) at 448oC is 50.5. What are the concentration of hydrogen gas , bromine gas , and  hydrogen bromide in the flask at equilibrium?

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