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Fe₂O₃ + 3 CO → Fe + 3 CO₂

Fe is not balanced in this equation.

Fe₂O₃ + 3 CO → 2Fe + 3 CO₂

Given:

Fe2O3 + 3CO → Fe + 3CO2

To determine:

The elements that are not balanced in the above equation

Explanation:

A chemical equation is said to be balanced if the number of atoms on the reactants is equal to that of the product side.

Reactant                          Product

Fe = 2 atoms                   Fe = 1 atom

O = 6 atoms                    O = 6 atoms

C = 3 atoms                     C = 3 atoms

Ans: Therefore, Fe is not balanced as there is 1 atom less on the product side

Balanced equation:        Fe2O3 + 3CO → 2Fe + 3CO2

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