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9 December, 12:38

A student balanced the chemical equation Mg + O2 →MgO by writing Mg + O2 → MgO2. Was the equation balanced correctly? Explain your answer. If the equation was not balanced correctly, write the correctly balanced equation.

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  1. 9 December, 16:30
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    No it's not right.

    Mg + O2 - - - > MgO

    2Mg + O2---> 2MgO is correctly balanced. He put the number at the end not the front.
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