Question

How many atoms of iron are there in Fe2O3?

Answer 1

Answer:

1 mol of Fe2O3

=> 1 mole=6.023×10^26

=>NO of fe atom=1×2× 6.023×10^26

=12.046×10^26atom

Answer 2

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• 2 atoms

• Each formula unit of Fe2O3 contains 2 atoms of iron and 3 atoms of oxygen (technically they are ions, but that doesn't matter).

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