Homework Help: How do I calculate the number of atoms in a compou

Posted by pinkmercy on Monday, November 19, 2012 at 11:48pm.

I have the mass of the amount of substance, and the molar masses. How do I do this? Is this the same as calculating the number of molecules/ formula units? Also, I know the number of atoms for each element in the compound (It made me calculate that before)

How do I calculate the number of atoms in a compou - DrBob222, Monday, November 19, 2012 at 11:55pm
You don't have all of the information for me to answer. Why not type specific question and tell us what you don't understand about it.\
mols = grams/molar mass
# molecules = mols x 6.02E23
# atoms = #molecules x (#atoms/molecule)

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