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19-08-2016
Chemistry

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Which equation below best describes the law of conservation of mass? A. 2Fe + 3O2 → 2Fe2O3 B. 4Fe + O2 → 2Fe2O3 C. Fe + O2 → Fe2O2 D. 4Fe + 3O2 → 2Fe2O3

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taskmasters taskmasters

27-08-2016

I think the correct answer from the choices listed above is option D. The equation that describes correctly the law of conservation of mass is expressed as:

4Fe + 3O2 → 2Fe2O3

This is because the amount of the elements in the reactants is equal to the product side.

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