# In the following balanced chemical equation, how many atoms (total) of oxygen are found on the...

## Question:

In the following balanced chemical equation, how many atoms (total) of oxygen are found on the reactant side?

{eq}2 C_3H_7OH + 9 O_2 \rightarrow 6 CO_2 + 8 H_2O {/eq}

## Law of Conservation of Matter :

The law of conservation of mater postulates the the amount of element before and after chemical reaction is constant. This means that the amount of elements at the product side should be equal ot the amount of same element in the reactant side.