Calculating Atoms in an Aluminum Sample
A sample of aluminum foil has a mass of 27 grams. Approximately how many atoms does the sample contain?
(The molar mass of aluminum is 27 g/mol.)
A
1.20 x 10^24 atoms
B
27 atoms
C
3.01 x 10^23 atoms
D
6.02 x 10^23 atoms
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