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7 June, 21:41

Al + O2 - --> Al2O3

Balance the chemical equation.

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  1. 8 June, 01:23
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    Al + O2 - > Al2O3

    So you need at least two aluminums and three oxygens, yet that's not possible so each term with have a coefficient in front of it.

    4 Al + 3 O2 - > 2 Al2O3

    4 aluminum = 4 aluminum

    6 oxygen = 6 oxygen

    Therefore, your equation is balanced
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