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chemistry

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

  • chemistry -

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

  • chemistry -

    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.

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