Be2llsimsaP3ra Be2llsimsaP3ra

15-10-2016
Chemistry

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Why the mass of a rusted nail is greater then the nail before it rusted?

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JasonLiu99923 JasonLiu99923

15-10-2016

this is the reaction formula,
4Fe+3O2=2Fe2O3
3Fe+202=Fe3O4
it has oxygen atom after it's rusted

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