A gas made up of atoms escapes through a pinhole 0.392 times as fast as Ne...

Question

Question

Answer 1

Answer #1

Let the molar mass of gas is M and the diffusion rate is r1. Also, let diffusion rate of Ne. Molar mass of Ne is 20.18 g/mol.

It is given that;

r1 = 0.392 r2

Using Graham's law of diffusion;

(r1/r2)^2 = M2/M1

(0.392)^2 = 20.18/M

M = 131.3 g/mol

Hence, gas is Xenon i.e Xe

Answer 2

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