Use the chemical reaction to answer the question.

Question

NaHCO3 + HC2H3O2 -- NaC2H3O2 + H2O + CO2
A student mixes baking soda and acetic acid to produce a chemical reaction shown. Which statement about the reaction is correct?

1. Some atoms gain mass after the reaction
2. There are more H atoms after the reaction.
3. Atoms of Na are destroyed during reaction
4. The atoms of ractants are regrouped during the reaction

Answer 1

2. There are more H atoms after the reaction.