Balance the following chemical equation:

_Cr2O3+_Mg->_Cr+_MgO

The answer to your question is Cr₂O₃ + 3Mg ⇒ 2Cr + 3MgO

Explanation:

Data

Unbalanced chemical reaction

Cr₂O₃ + Mg ⇒ Cr + MgO

Reactants Elements Products

2 Cr 1

3 O 1

1 Mg 1

Balanced chemical reaction

Cr₂O₃ + 3Mg ⇒ 2Cr + 3MgO

Reactants Elements Products

2 Cr 2

3 O 3

3 Mg 3

Now the reaction is balanced