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Calcualte the volume occupied by 5.25g o...

Calcualte the volume occupied by `5.25g` of nitrogen gas under a pressure fo `74.2 cm Hg` and at `26^(@) C`.

A

`7.4I L`

B

`4.67 L`

C

`5.93 L`

D

`6.86 L`

Text Solution

Verified by Experts

The correct Answer is:
B
`n = ("Mass")/("Molar mass")` and `n = (PV)/(RT)`
`:.` Volume `= (("Mass")/("Molar mass")) ((RT)/(P))`
`((5.25g)(0.821 "L atm K"^(-1) "mol"^(-1)) (229 K))/((28g "mol"^(-1)) ((74.2)/(76) "atm"))`
`( :. 1 "atm = 76 cm Hg")`
`= 4.67 L`
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