NaHCO3 -> NC2H3O2 -> NaC2H3O2 -> H2O -> CO2

A student mixes baking soda (NaHCO3) and acetic acid (HC2H3O2) to produce a chemical reaction shown. Which statement about the reaction is correct?

The atoms of the reactants are regrouped during the reaction.
There are more H atoms after the reaction.
Some atoms gain mass after the reaction.
Atoms of Na are destroyed during the reaction.

The atoms of the reactants are regrouped during the reaction.