Answer:
- Coefficient of the Al is 2.
- Coefficient of the
is 3. - Coefficient of the
is 2
Step-by-step explanation:
According to Law of Conservation of Mass :In the balanced chemical reaction the mass of the reactant is equal to the mass of products
After balancing the given chemical equation:'

- Coefficient of the Al is 2.
- Coefficient of the
is 3. - Coefficient of the
is 2