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The volume of `2.8g` of `CO` at `27^(@)C` and `0.821 atm` pressure is `(R=0.0821` lit. atm `mol^(-1)K^(-1))`

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The volume of `2.8g` of `CO` at `27^(@)C` and `0.821 atm` pressure is `(R=0.0821` lit. atm `mol^(-1)K^(-1))`
A. 1.5 litre
B. 3 litre
C. 30 litre
D. 0.3 litre
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`V=(nRT)/(P)`
`=(2.8)/(28)xx(0.0821xx300)/(0.821)`
`=3` litre
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