+1 vote
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A binary mixture of oxygen and nitrogen with partial pressures in the ratio 0.21 and 0.79 is contained in a vessel at 300 K. If the total pressure of the mixture is 1 * 10 ^5 N/m^2, find molar fraction of nitrogen

(a) 0.79

(b) 0.21

(c) 0.23

(d) 0.13

I got this question in an interview.

My question is based upon Concentrations, Velocities and Fluxes in portion Modes and Diffusion of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right choice is (a) 0.79

Best explanation: Molar fraction is equal to the partial pressure.

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