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6 October, 14:35

Balance this chemical equation. Choose "blank" for the box if no other coefficient is needed. Writing the symbol implies "1." Al + O2 → Al2O3

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  1. 6 October, 15:45
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    What blanks

    2 and 3 make 6

    6O's have to be on both sides

    times right sides by 2

    AL4O6

    now on left side

    times AL by 4

    O by 3

    blanks are stuff in parenthasees

    (4) AL + (3) O2-> (2) AL2O3
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