20. Tell one thing that is true about these balanced chemical equations. Explain your answer. A + B → CDE. H2 + O2 → H2O2. Reactant → Product. a. They are balanced so they have more reactants than products. b. They are not balanced so they have more products than reactants. c. The chemical reaction used up some of the reactants mass. d. The mass of the reactants and the mass of the products are equal.