If density of a certain gas at 30^(@)C a...

If density of a certain gas at `30^(@)C` and 768 Torr is `1.35kg//m^(3)`, then density at STP is

`1.48 kg // m^(3)`

`1.58 kg//m^(3)`

`1.25 kg//m^3`

`1.4 kg// m^(3)`

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