Calculate the density of 74.0 g of an isopropyl alcohol-water mixture (commercial rubbing alcohol) that has a volume of 85.2 mL. Round your answer to 3 significant figures.
Density = Mass/Volume
Density = 74.0 g / 85.2 mL = 0.866 g/mL
Therefore, the density of the isopropyl alcohol-water mixture is 0.866 g/mL.