Question

how many atoms are present in a piece of iron that has a mass of 65.0g ?

Answer 1

1 mole of iron that is 5.9g of Fe contains 6.23×10^23 atoms.65g is 1.162 mole. To calculate atom in 65g multiply 1.162 by 6.23×1023 that is 6.998×10^23atoms.

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Answer 2

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ur ans. is here....

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