find tghe density of mineral oil (in g/mL) if .25 gallon of oil has a mass of .400kg

1 galon,dry = 4.404884 l

0.25 gallon = 4.404884 / 4 = 1.101221 L

1 L = 1000 mL

1.101221 l = 1101.221 mL

1 kg = 1000 g

0.4 kg = 400 g

Density of a material is defined as its mass per unit volume.

rho = m / V

rho = 400 / 1101.221 =

0.363233174812322 g / mL