Question: A pipe, cross sectional area 0.1 m2, carries a flow of 75% O2 and 25% N2 by mole with a velocity of 25 m/s at

A pipe, cross sectional area 0.1 m2, carries a flow of 75% O2 and 25% N2 by mole with a velocity of 25 m/s at 200 kPa, 290 K. To install and operate a mass flow meter it is necessary to know the mixture density and the gas constant. What are they? What mass flow rate should the meter then show?

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