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The ratio of a mass concentration of species A to the total mass density of the mixture is known as

(a) Mass density

(b) Concentration

(c) Mole fraction

(d) Mass fraction

I got this question during an interview.

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

1 Answer

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by (39.8k points)
The correct choice is (d) Mass fraction

The explanation: It is defined as p a/p.

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