The density of E85 fuel is 0.801 g/mL. What is the mass of 1.00 gallon of the fuel? (1 gal. = 3.785 L)

3031.785 g = 3.032 Kg.

Explanation:

Knowing that d = m / V,

where d is the density of the fuel (d of E85 = 0.801 g/mL = 801.0 g/L)

m is the mass of the fuel E85 (?)

V is the volume of the fuel E85 (V = 1.0 gallon = 3.785 L).

The mass of the fuel E85 = d x V = (801.0 g/L) (3.785 L) = 3031.785 g = 3.03 Kg.