Determine the mole fraction of N₂ in a gas mixture composed of 1.0 mol of N₂ and 1.5 mol of Ar.The mixture is at 0.0ºC in a 10.0-liter container.

Question

Quizplus · Accepted Answer

To find the mole fraction of the N₂ gas in the mixture, we need to consider the total moles of gas in the container. Total moles of gas = moles of N₂ + moles of Ar = 1.0 mol + 1.5 mol = 2.5 mol Now, let's calculate the mole fraction of N₂: Mole fraction of N₂ = moles of N₂ / total moles of gas = 1.0 mol / 2.5 mol = 0.40 Therefore, the mole fraction of N₂ in the gas mixture is 0.40 or A).

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Determine the Mole Fraction of N₂ in a Gas Mixture