Which of the following gases will diffuse most rapidly? [H = 1.00, C = 12.0, O = 16.0, S = 32.0, Cl = 35.5]
Question 1 Report
Which of the following gases will diffuse most rapidly?
[H = 1.00, C = 12.0, O = 16.0, S = 32.0, Cl = 35.5]
[H = 1.00, C = 12.0, O = 16.0, S = 32.0, Cl = 35.5]
Answer Details
The rate of diffusion of gases is inversely proportional to their molar mass. Therefore, the gas with the lowest molar mass will diffuse the most rapidly. The molar mass of each gas is: - Cl2: 2 x 35.5 = 71.0 g/mol - SO2: 32.0 + 2 x 16.0 = 64.0 g/mol - CH4: 12.0 + 4 x 1.0 = 16.0 g/mol - C2H6: 2 x 12.0 + 6 x 1.0 = 30.0 g/mol Therefore, methane (CH4) has the lowest molar mass and will diffuse most rapidly among the given options.
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