35 mol of nitrogen gas passes through a membrane in 30 minutes. How long will it take for the same amount of carbon dioxide to pass through the same membrane? Give your answer to the nearest whole minute.

Question

Quizplus · Accepted Answer

The rate of effusion of gases is inversely proportional to the square root of their molar masses (Graham's law). Nitrogen (N2) has a molar mass of 28 g/mol, and carbon dioxide (CO2) has a molar mass of 44 g/mol. The time ratio is the square root of 44/28, which is approximately 1.26. Thus, 30 minutes * 1.26 ≈ 38 minutes.

35 Mol of Nitrogen Gas Passes Through a Membrane in 30