How many atoms are there in 80 grams of lead?

Answer 1

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.

Answer 2

To calculate the number of atoms in 80 grams of lead, you first need to determine the number of moles of lead using its molar mass (207.2 g/mol). Then, you can use Avogadro's number (6.022 x 10^23) to convert moles to atoms. So, for lead, there are approximately 3.86 x 10^23 atoms in 80 grams.

Answer 3

80 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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