Pure O2 diffuses through an aperture in 224 seconds, whereas mixture of O2 and another gas containing 80% O2 diffuses from the same in 234 seconds. The molecular mass of gas will be
51.5
48.6
55
46.6
As we learnt in
Graham’s law of diffusion -
where r is rate of diffusion of gas , M is molar mass.
-
Option 1)
51.5
Correct
Option 2)
48.6
Incorrect
Option 3)
55
Incorrect
Option 4)
46.6
Incorrect
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