The coefficients for the equation are:

KClO3 =
KCl +
O2

The Coefficient of the equation is in the ratio 2:2:3

Explanation:

Given KClO3 -----> KCl + O2

Looking at the above equation, we can tell that it's not balanced.

To balance it, we would ensure there are equal numbers of reactants and product.

Let the Coefficient of Reactants be denoted by Cr

Coefficient of Product be denoted by Cp

The Reactant is KClO3

The products are KCl and O2

Hence, Cr(KClO3)=2. Cp(KCl)=2. Cp(O2)=3.

Therefore, the coefficients are 2,2,3 respectively.

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