For the following reaction at a certain temperature
it is found that the equilibrium concentrations in a 5.00-L rigid container are [H2 = 0.0500 M, [F2] = 0.0100 M, and [HF] = 0.400 M. If 0.200 mole of F2 is added to this equilibrium mixture, calculate the concentrations of all gases once equilibrium is reestablished.
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