Mass of Substance = Volume of Substance x Density of Substance
Density of alcohol, propyl = 799.96 kg/m3
Density of alcohol, propyl in ounce/cubic(metre) = 28217.789040000003
Mass of a Substance = 28217.789040000003 x 9
9 cubic(metre) of alcohol, propyl weighs 253960.10136000003 ounce