In the following equation, how many atoms of oxygen are in the products?

C2H8 + 4 O2 → 2 CO2 + 4 H2O

1 answer

In the products of the equation, there are 4 atoms of oxygen in the 2 CO2 and another 8 atoms of oxygen in the 4 H2O.

Therefore, there are a total of 4 + 8 = 12 atoms of oxygen in the products.