Law of Conservation of Mass Practice
Name:_______________________ Per:____
Provide proof that each equation demonstrates or breaks the Law of Conservation of Mass by counting
the atoms of each element in the Reactants and the Products. Provide an explanation for your answer.
CH4 + 2O2  CO2 + 2H2O
Law of Conservation
Demonstrated / Broken
Explanation:
1
N2 + H2  NH3
Law of Conservation
Demonstrated / Broken
Explanation:
2
Fe2O3 + C  2Fe + CO2
Law of Conservation
Demonstrated / Broken
Explanation:
3
2CO + O2  2CO2
Law of Conservation
Demonstrated / Broken
Explanation:
4
2Al + 3H2SO4  Al2(SO4)3 + 3H2
Law of Conservation
Demonstrated / Broken
Explanation:
5
2ZnS + 2O2  2ZnO + SO2
Law of Conservation
Demonstrated / Broken
Explanation:
6
NaCl + F2 2NaF + Cl2
Law of Conservation
Demonstrated / Broken
Explanation:
7