Biology, 17.11.2020 16:50 janahiac09

Which balances the equation Mg + O2 → MgO? Mg + 2O2 → 4MgO
2Mg + 2O2 → 2MgO
2Mg + O2 → 2MgO
2Mg + 2O2 → 4MgO

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Which balances the equation Mg + O2 → MgO? Mg + 2O2 → 4MgO
2Mg + 2O2 → 2MgO
2Mg + O2 →...