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The density of a gas is 2.5g/L at 127^@C...

The density of a gas is 2.5g/L at `127^@C` and 1 atm. The molecular weight of the gas is 

A

82.1

B

41.05

C

56

D

28

Text Solution

Verified by Experts

The correct Answer is:
A
`PM = dRT, M = (2.5 xx 0.0821 xx 400)/(1) = 82.1`
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