STP

A

STP

B

`0^@`Cand2atm

C

`273^@`C and 2 atm

D

`273^@`C and 1 atm

Text Solution

Verified by Experts

The correct Answer is:
d
`PV=w/m RT`
`w/V=(Pm)/(RT)`
`d=(Pm)/(RT)`
`d propto P/T`
Therefore, least density of one mole of argon is at 27`3^@ C` and 1 atm.
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