A gallon of gasoline (mostly octane) weighs 6.3 lbs at rm temp. Assuming this mass of gas is completely combusted, how many lbs of O2 are consumed in the process?
C8H18= 12*8+18*1 =114
Oxygen = 16
The mass of oxygen = 6.3/114 *400 =0.0552*400 =22.1 lbs
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