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A piece of aluminum foil has a mass of 27 grams. About how many atoms does this foil contain?

A piece of aluminum foil has a mass of 27 grams. About how many atoms does this foil contain?

Grade:12th pass

2 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Our expert is working on this class X maths answer. We will update the answer very soon.
Jayesh Vashishtha
askIITians Faculty 1450 Points
2 years ago
Dear student,
 
The atomic mass of Al is 27 g/mol.

Hence, 27 g of Al corresponds to 1 mole.

1 mole of any element contains Avogadro's number of atoms.

Hence, 27 g ( 1 mole ) of Al contains 6.02×1023 atoms.
 
regards,
Team Askiitians

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