Answer:
2H₂ + O₂ —> 2H₂O
The coefficients are: 2, 1, 2
Explanation:
__ H₂ + __ O₂ —> __ H₂O
The above equation can be balance as illustrated below:
H₂ + O₂ —> H₂O
There are 2 atoms of O on the left side and 1 atom on the right side. It can be balance by writing 2 before H₂O as shown below:
H₂ + O₂ —> 2H₂O
There are 2 atoms of H on the left side and 4 atoms on the right side. It can be balance by writing 2 before H₂ as shown below:
2H₂ + O₂ —> 2H₂O
Now, the equation is balanced and the coefficients are: 2, 1, 2
