N₂O4 (g) = 2NO₂(g) K = 6.14 x 10-3 @ 298 K A sealed 2.0 L container initially holds 5.0 moles N2O4 and 0.050 mole NO2. Determine the concentrations at equilibrium. What is the concentration of NO2 at equilibrium? [NO₂] = [?] M [NO₂], M Enter

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