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Sagot :
From the density of ethanol given, the number of pounds of ethanol in the drum will be 46.099 pounds.
How to calculate density
Density of ethanol = 0.789/cm³
1 gallon = 3785.4ml
Volume of ethanol = 7 gallons = 7 × 3785.4ml = 26497.8ml
Mass of ethanol = Volume × Density.
= 26497.8 × 0.789
= 20906.764g
Since 1g = 0.002205 pounds, the mass of ethanol will be:
= 20906.764 × 0.002205
= 46.099 pounds.
Learn more about density on:
https://brainly.com/question/11730603
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