Chemistry, 17.01.2021 20:30, sog8jojo

Which equation represents a conservation of atoms? 1.
2Fe + 202 → Fe2O3
2.
2Fe + 302 → Fe2O3
3.
4Fe + 202 → 2Fe2O3
4.
4Fe + 302 → 2Fe2O3

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Which equation represents a conservation of atoms? 1.
2Fe + 202 → Fe2O3
2.
2Fe +...