methan, chlorine, carbon dioxide, nitrogen which of the following gas would first to diffuse and why?
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Solution
Rate of diffusion of a gas is inversely proportional to the square root of its molecular mass.
So, the gas with the least molar mass will diffuse first.
Methane 16g/mol
Chlorine 35.5g/mol
CO2 44g/mol
N2 28g/mol