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1000 mg is a gram

so 2.5 mg x 1 gram/1000 mg (note how the mg cancel and we are left with grams)=

25/10000

or 1/400 or a gram which is the same as .0025 grams.

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15y ago
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6mo ago

To express 2.5 mg as grams, you need to convert milligrams to grams. There are 1000 milligrams in 1 gram. Therefore, 2.5 mg is equal to 0.0025 grams.

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Q: Tablet contains 2.5 mg of an antihistamine express this mass in grams?
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