Question

Antoine Lavoisier discovered the Law of Conservation of Mass, which states that mass is converted in a chemical reaction. What else is always equal on both sides of a chemical reaction?
Question 17 options:

A) the total number of molecules

B) the states

C) the volumes

D) nothing

Answer 1

The answer is D. Nothing

The only thing that must remain equal as stated in the Law of Conservation of Mass are the same number of atoms of each element on each side of a chemical equation. 

Answer 2

Because that nothing can be completely destroyed or created, There must be the same number of atoms of each element on each side of a chemical equation. So the answer would be A. :) If this helps hit thanks and brainiest :P