Question

how many atoms of oxygen are on the reactants side of the chemical equation? agno₃ + nacl → agcl + nano₃

Explanation:

Step1: Identify oxygen - containing reactant

The reactant with oxygen is $AgNO_3$.

Step2: Determine number of oxygen atoms

In $AgNO_3$, the sub - script of oxygen is 3, so there are 3 oxygen atoms in one formula unit of $AgNO_3$. There is 1 mole of $AgNO_3$ on the reactants side and no other oxygen - containing reactants.

Answer:

3