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A vessel is filled with a mixture of oxy...

A vessel is filled with a mixture of oxygen and nitrogen. At what ratio of partial pressures will the mass of gases be identical?

A

`P (O_(2)) = 0.785 P (N_(2))`

B

`P_(O_(2)) = 8.75P (N_(2))`

C

`P (O_(2)) = 11.4 P (N_(2))`

D

`P (O_(2)) = 0.875 P (N_(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
`PV = nRT`
`PV = (w)/(m) RT`
`P_(O_(2)) V = (w)/(32) RT`..... (i)
`P_(N_(2)) V = (w)/(28) RT`......(ii)
`(P_(O_(2)))/(P_(N_(2))) = (28)/(32)`
`P_(O_(2)) = 0.875P_(N_(2))`
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