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The volume of 2.8 g of carbon monoxide a...

The volume of `2.8 g` of carbon monoxide at `27^(@) C` and `0.821 atm` pressure `(R = 0.821 "atm" K^(-1) "mol"^(-1))`

A

`0.3 L`

B

`1.5 L`

C

`3 L`

D

`30 L`

Text Solution

Verified by Experts

The correct Answer is:
C
According to the ideal gas equation , we have
`pV = nRT`
or `V = (nRT)/(p)`
`n_(CO_(2)) = (m_(CO_(2)))/("Molar mass"_(CO_(2))) = (2.8 g)/(28 g "mol"^(-1)) = 0.1 "mol"`
`:. V = ((0.1 "mol")(0.0821 (L "atm")/(K "mol")) (300 K))/((0.821 "atm"))`
`= 32`
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