A 5.00 L flask at 298 K contains 0.200 mol of N₂O₄(g) and no NO₂(g)

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

A 5.00 L flask at 298 K contains 0.200 mol of N₂O₄(g) and no NO₂(g). For the reaction N₂O₄(g) ⇌ 2 NO₂(g), the equilibrium constant is Kc = 0.36. Determine the percentage of the original N₂O₄ that dissociates once equilibrium is reached.

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