Why does carbon monoxide diffuse faster than chloride

Expert Answers
jerichorayel eNotes educator| Certified Educator

Hello! :)


We can illustrate this problem by relating them to their molecular mass.

Carbon monoxide, CO has a molar mass of 28 g/mole

Chlorine, Cl2 (not Chloride) has a molar mass of 70.9 g/mole.


It is harder for Chlorine gas to diffuse than Carbon monoxide because it is heavier. Hence, Carbon monoxide diffuses faster because it is lighter.




Hope this helps:)


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