What is the weight (in lbf) of one gallon of air at 1 atm and 25˚C? The molecular mass of air is 28.97 g/mole = 0.02897 kg/mole | MCQ Hive

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Q What is the weight (in lbf) of one gallon of air at 1 atm and 25˚C? The molecular mass of air is 28.97 g/mole = 0.02897 kg/mole

A A. 90 lbf
B B. 65.78 lbf
C C. 0.00989 lbf
D D. 3.00989 lbf

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