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posted by Tiffany H. on Wednesday, May 23, 2012 at 10:56am.

How many moles of silver atoms are in 2.8 x 10^20 of silver?

recall that one mole of any substance is equal to Avogadro's number, which is 6.02 x 10^23 this number can be atoms, molecules, ions, etc. to get the number of moles, we just divide the given by the Avogadro's number: 2.8 x 10^20 / 6.02 x 10^23 = ?

4.65x10^-4mol

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