Question

How many atoms of oxygen are in the reactants of the following equation?

3NO2 + H2O --> NO + 2HNO3



Group of answer choices

7

6

5

3

Answer 1

3

there are 3 nitogen atoms and two oxygen atoms on (3NO2) , also 2 hydrogen atoms and i oxygen atom on (H2O) therefore 2+1=3 oxygen atoms