Equação Química Balanceada:

$$\text{3Na}_2\text{C}_2\text{O}_4 + \text{K}_2\text{Cr}_2\text{O}_7 + 4\text{H}_2\text{ SO}_4 \rightarrow$$

$$\text{2Cr(SO}_4\text{)}_3 + \text{3CO}_2 +\text{K}_2\text{SO}_4+\text{3Na}_2\text{SO}_4+7 \text{H}_2\text{O}$$