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A mixture of 2 moles of helium gas ( (at...

A mixture of 2 moles of helium gas (` (atomic mass)=4a.m.u` ) and 1 mole of argon gas ( `(atomic mass)=40a.m.u` ) is kept at 300K in a container. The ratio of the rms speeds `((v_(rms)(helium))/((v_(rms)(argon))` is

A

a) 3.16

B

b) 0.32

C

c) 0.45

D

d) 2.24

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