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First, you need to know the density of the isopropyl alcohol, which is about 0.785 g/cm^3. Next, you need to know how many cm^3 are in a gallon.

1 gallon = 231 in^3 = 231 * (2.54)^3 cm^3 = 3785 cm^3

Also, we need to convert from grams to milligrams

1 gram = 1000 milligrams

so...

(.785 g/cm^3) * (1000 milligrams/gram) * (3785 cm^3/gallon) * (1 gallon) = 2,970,000 mg

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17y ago

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More answers

There are approximately 3,785,411 milligrams of isopropyl alcohol in a gallon.

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10mo ago
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Q: How many milligrams of isopropyl alcohol in a gallon?
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