Answer to Question #70164 in General Chemistry for siera

Question #70164
Ethanol has a density of 0.789g/mL. What is the mass in mg of 15 gallons of ethanol?
1
Expert's answer
2017-09-20T13:21:07-0400
1 gallon= 3.785 L for US or the imperial gallon 1 gallon= 4.54609 L
V=15 gallons×3.785 = 56.775 L=56.775×〖10〗^3 ml
m=ρ×V=0.789 g/ml×56.775×〖10〗^3 ml≅44.795〖×10〗^3 g=44.795〖×10〗^6 mg
Answer
Ethanol’s mass must be 44.795〖×10〗^6 mg.

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