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Ashleigh Stuart
Chemistry
30 November, 23:30
The number of atoms in 8.93 g of zinc?
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Robert Jacobson
30 November, 23:53
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Zinc has a molar mass of about 65.38 g/mol. So we calculate the number of moles first:
moles Zinc = 8.93 g / (65.38 g/mol) = 0.1366 mol
We can calculate for the number of atoms using Avogadros number.
atoms Zinc = 0.1366 mol * 6.022 x 10^23 atoms / mol
atoms Zinc = 8.23 x 10^22 atoms
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