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Question
Balance the following equation:
\[\ce{Al + O2->Al2O3}\]
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Solution
\[\ce{Al + O2->Al2O3}\]
Multiply Al by 4 and Al2O3 by 2 to make atoms of Al equal.
\[\ce{4Al + O2->2Al2O3}\]
To make oxygen atoms equal
\[\ce{4Al + 3O2->2Al2O3}\]
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