Which of the following statements is correct?

A. In a chemical reaction, the total mass of the products is more then no the total mass or the reactants
B in a chemical reactions the total mass or the total mass of the reactants
C in a chemical reaction the total mass of the products is equal to the total mass of the reactants
D. In a chemical reaction the total mass of the p occurs is unrelated to the total mass or the reactants

C. In a chemical reaction, the total mass of the products is equal to the total mass of the reactants