Density of air (in g/L) at 307°C and 2 a...

Density of air (in g/L) at 307°C and 2 atm pressure is (Average molar mass of air is 29 g mol-1)

A

`0.821`

B

`1/0.821`

C

`2*0.821`

D

`2/0.821`

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