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Pb has a MW of 207.2 g/mol.
Thus, 80g of Pb is 80/207.2 = 0.39 mol of lead.
Using Avogadro's number: (6.0221415 * 1023 atoms/mol)(0.39 mol) = 2.349 * 1023 atoms.
Wiki User
∙ 13y ago
Wiki User
∙ 12y ago80 grams nitrogen (1 mole N/14.01 grams)(6.022 X 1023/1 mole N)
= 3.4 X 1024 atoms of nitrogen
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