How much does sixteen ounces of gasoline weigh?

Sixteen ounces or a pound.

Answer:

In the context of a liquid, ounce refers to the unit of volume the fluid ounce. 1 US Fluid ounce is 29.57 mL. 1 Ounce weighs 28.57 g. Gasoline has a density of 0.71-0.77 kg/l - say .75 g/ml

Therefore 16 fl.oz.= 16x2.57/28.57x0.75 oz (mass)

16 fluid ounces of gasoline therefore has a mass of 12.42 ounces or 0.77 pounds (mass)