The equilibrium constant, K, for the reaction: N2O4 (g) ⇄ 2 NO2 (g) At 25oC it is K = 170. Suppose 15.6g of N2O4 are placed in a 5.0 L flask at 25oC. Calculate: (a) The amount of NO2 (mol L-1) present in the equilibrium. (b) The percentage of original N2O4 that is decoupled.

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The equilibrium constant, K, for the reaction:

N2O4 (g) ⇄ 2 NO2 (g)

At 25oC it is K = 170. Suppose 15.6g of N2O4 are placed in a 5.0 L flask at 25oC.
Calculate:
(a) The amount of NO2 (mol L-1) present in the equilibrium.
(b) The percentage of original N2O4 that is decoupled.

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