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View Full Version : 3.01 molecules of compound B have a mass of 9g. Calculate molar mass.


Stlata
Oct 20, 2013, 11:00 AM
Calculate the molar mass of:
3.01x10^23 molecules have a mass of 9g.

I think I have to switch molecules into moles but I don't know if that is correct, and I don't know how. Once I get it into moles, I have to divide the mass by the number of moles.

neodarwinian
Oct 21, 2013, 06:51 PM
6.022 X 10^23
------------------------A helpful number in your situation.

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