The balanced equation is as follows:
2KClO3 → 2KCl + 3O2
- A chemical equation is said to be balanced when there are an equal number of atoms on both the reactant and product sides.
first we will calculate number of atoms in reactant as well as product side.
In the given reaction,
KClO3 → KCl + O2
Number of atoms on reactant side are as follows:
K = 1
Cl = 1
O = 3
Number of atoms on product side are as follows:
K = 1
Cl = 1
O = 2
Here, we can see that number of oxygen atom on reactant side is not equal to the number of oxygen atom on product side.
Hence to balance the equation we will multiply KClO3 by 2 on reactant side and KCl by 2, O2 by 3 on product side.
(KClO3)2 → (KCl)2+ (O2)3
Therefore the balanced equation will be:
2KClO3 → 2KCl + 3O2
Now, number of atoms on reactant side are equal to the number of atom on product side.
The coefficient used to balance out the equation are 2 and 3.
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