Question

chemical reactions quick check
what does the law of conservation of mass say about a chemical reaction? (1 point)
to balance a chemical equation, additional mass may be created.
in a chemical reaction, mass is neither created nor destroyed.
mass increases as atoms are rearranged during a chemical reaction.
mass is not measurable in a chemical reaction.

Explanation:

The Law of Conservation of Mass states that in a chemical reaction, the total mass of the reactants is equal to the total mass of the products. This means mass is conserved and is neither created nor destroyed.

Answer:

In a chemical reaction, mass is neither created nor destroyed.