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The u(rms) of a gas at 300K is 3R^(1//2)...

The `u_(rms)` of a gas at `300K` is `3R^(1//2)` The molar mass of the gas in `kg mo1^(-1)` is .

A

0.02 kg/mol

B

0.001 kg/mol

C

0.003 kg/mol

D

1 kg/mol

Text Solution

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The correct Answer is:
D
`U_(rms)=sqrt((3RT)/(M_(w)))`
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