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Which formula correctly represents the composition of iron (III) oxide? (1) FeO3 (3) Fe3O(2) Fe2O3 (4) Fe3O2
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Which formula correctly represents the composition of iron (III) oxide?

(1) FeO3 (3) Fe3O(2) Fe2O3 (4) Fe3O2

User Portablejim
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2 Answers

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2) Fe2O3 because Oxygen has has a negative 2 charge and Iron has a -3 charge so u need 2 iron and 3 oxygen
User Futureal
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4 votes
Iron (III) oxide has a chemical formula of (2) Fe2O3.

Hope this helps~
User Darrel Holt
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