julionb1ear3shr julionb1ear3shr

31-12-2015
Chemistry

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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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Billymkhoi Billymkhoi

31-12-2015

Iron (III) oxide has a chemical formula of (2) Fe2O3.

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augie9198 augie9198

31-12-2015

2) Fe2O3 because Oxygen has has a negative 2 charge and Iron has a -3 charge so u need 2 iron and 3 oxygen

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