Asked by Max

How do you find the number of moles in a substance if you have the density and the molecular weight?

15 years ago

Answered by DrBob222

#moles = grams/molar mass. You don't need the density if you have grams.

15 years ago

Answered by Max

Okay I think I wrote the question wrong.

You need to find the number of moles in 5mL of the substance given the density and the molecular weight.

15 years ago

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