In a 1.0-liter container there are, at equilibrium, 0.20 mole of I2, 0.30 mole of H2, and 0.20 mole of HI. What is the value of Kc for the reaction?

In a 1.0-liter container there are, at equilibrium, 0.20 mole of I2, 0.30 mole of H2, and 0.20 mole of HI. What is the value of Kc for the reaction?


H2(g) + I2(g) 2HI(g)

a. 0.33
b. 0.67
c. 2.7
d. 1.3
e. 1.5


Answer: b. 0.67


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