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Science

Answered

How many atoms are contained in 135g Al?

Sagot :

CANCER37IN CANCER37IN

Explanation:

1 mole of Aluminum contains Avogadros number of atoms (N)

so 27 g of Al has N atoms of Al

135 g of Al = 135 / 27 moles = 5 moles which contains 5 N atoms of Al

N = 6.02 X 10 ^ 23 so 5 N = 30.1 * 10 ^ 23 atoms

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