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Hydrogen Iodide Decomposes According to the Equation: 2HI(g) ⇌ H2(g)

Question 115

Multiple Choice

Hydrogen iodide decomposes according to the equation: 2HI(g) ⇌ H2(g) + I2(g) , Kc = 0.0156 at 400ºC
a 0.660 mol sample of HI was injected into a 2.00 L reaction vessel held at 400ºC.Calculate the concentration of H2 equilibrium.


A) 0.013 M
B) 0.033 M
C) 0.053 M
D) 0.073 M
E) None of the above

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