E85 fuel is a mixture of 85% ethanol and 15% gasoline by volume. What mass in kilograms of E85 (d = 0.758 g/mL) can be contained in a 14.0-gal tank?

Question

Chemistry

Marcos Powers

30 December, 10:54

E85 fuel is a mixture of 85% ethanol and 15% gasoline by volume. What mass in kilograms of E85 (d = 0.758 g/mL) can be contained in a 14.0-gal tank?

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Rey Hill · Answer 1

Convert gal to liters:

14.0 gal x 3.785 L / gal = 53.0 L

Multiply volume by density (the density would have the units of. 758 g/mL or. 758 kg / L)

53.0 L x. 758 kg/L = 40.2 kg