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Question
Balance the following equation:
\[\ce{Fe2O3 + CO->Fe + CO2}\]
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Solution
\[\ce{Fe2O3 + CO->Fe + CO2}\]
Multiply Fe by 2 to make atoms of Fe equal and to make CO2 atoms equal by using 3 atoms of oxygen in Fe2O3
\[\ce{Fe2O3 + 3CO->2Fe + 3CO2}\]
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