Answer:
H₂ + Cl₂ → 2HCl
Explanation:
The given reaction expression is shown below:
H₂ + Cl₂ → HCl
We are to balance this given reaction expression.
Let us do this mathematically;
aH₂ + bCl₂ → cHCl
Conserving H : 2a = c
Cl: 2b = c
Now, let a = 1, c = 2 , b = 1
So:
H₂ + Cl₂ → 2HCl
