How many atoms are in a 121.4 gram sample of Aluminum (Al)? a 2.71 X 10 ^ 24 atoms b 4.5 atoms c 1.97 X 10 ^ 27 atoms d 5.44 X 10 ^ -21 atoms

Ben RR asked Jun 2, 2023

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9 votes

How many atoms are in a 121.4 gram sample of Aluminum (Al)?

a

2.71 X 10 ^ 24 atoms

b

4.5 atoms

c

1.97 X 10 ^ 27 atoms

d

5.44 X 10 ^ -21 atoms

Ben RR asked Jun 2, 2023

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10 votes

We should change it to mol and then ×Number of Avogadro

Mike Lutz answered Jun 8, 2023

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