Steel rusts when iron that is in steel reacts with oxygen in the air to form iron(III) oxide. As a peice of metal rusts, it gets heavier(below cont'd) Does this follow the Law of Conservation of Mass?...

Steel rusts when iron that is in steel reacts with oxygen in the air to form iron(III) oxide. As a peice of metal rusts, it gets heavier(below cont'd)

Does this follow the Law of Conservation of Mass? Explain

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Yes this follows law of conservation of mass.

First we want to know what happens in forming rust. As it is indicated in the question Oxygen in air will contribute to that. But also we need some amount of moisture for rust reaction.

`4Fe+3O_2 rarr 2Fe_2O_3`

This is the...

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