In an experiment, 1.000 mol H2 and 1.000 mol I2 are mixed in a 1.00-L container, and the reaction forms HI. If Kc = 54.3 for this reaction, what is the equilibrium concentration of HI?                          I2(g)      +    H2(g)                   ↔                       2HI(g)   a. 1.572   b. 0.226   c. 0.399   d. 0.786   e. 0.899

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