Question

Which of the following equations is balanced and follows the Law of Conservation of Mass?

A. 2Fe + 3O —> Fe2O3
B. H2 + O2 —> 2OH
C. 2Mg + CI —> MgCI2
D. CH4 + 3O2 —> 2CO2 + 2H2O

Answer 1

Option B is a balanced equation and follows the Law of Conservation of Mass. This is because the number of atoms of each element on both sides are the same.