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Consider the following reaction: H2(g)+I2(g)?2HI(g) A reaction mixture in a 3.68 L flask at a certain...

Consider the following reaction:
H2(g)+I2(g)?2HI(g)
A reaction mixture in a 3.68 L flask at a certain temperature initially contains 0.761 g H2 and 96.9 g I2. At equilibrium, the flask contains 90.3 g HI.

Calculate the equilibrium constant (Kc) for the reaction at this temperature.

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