At 400 K, an equilibrium mixture of H2, I2, and HI consists of 0.089 mol H2, 0.085 mol I2, and 0.16 mol HI in a 5.00-L flask. What is the value of Kp for the following equilibrium? (R = 0.0821 L · atm/(K · mol))
2HI(g) H2(g) + I2(g)
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