What does conserving mass mean in a chemical equation?

Question

Question 2 options:

There are more of each type of atom on the reactant side than on the product side.

There is an unequal number of each type of atom on both sides of the equation.

There are more of each type of atom on the product side than on the reactant side.

There is an equal number of each type of atom on the reactant and product side.

Answer 1

Conserving mass in a chemical equation means that the total mass of reactants must equal the total mass of products. This is a reflection of the Law of Conservation of Mass, which states that matter cannot be created or destroyed in a chemical reaction.

The correct answer is:

There is an equal number of each type of atom on the reactant and product side.