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A rotameter was calibrated with N₂ at T_(ref)=293 K and P_ref= 760 mmHg. Molecular weight of nitrogen N₂ (gas)=28 g/mol.

Volumetric flow rate of nitrogen passing through the rotameter Q_N2=500 ml/min. In a later study, hydrogen gas was passed through the same rotameter. Find the volumetric flow rate Q_H2 of hydrogen for the following conditions.

QH2=QRefPKABPRefMKABMRefTRefTKABMKAB(H2)=2gr/mol,TKAB=288KPKAB=740mmHg