Mass of Substance = Volume of Substance x Density of Substance
Density of toluene = 866.9 kg/m3
Density of toluene in tonne/milliliter = 0.0019111850779999998
Mass of a Substance = 0.0019111850779999998 x 3
3 milliliter of toluene weighs 0.0057335552339999995 tonne
