Question

If all the reactants in a chemical reaction are completely used, which of the following statements accurately describes the relationship between the reactants and the products?If all the reactants in a chemical reaction are completely used, which of the following statements accurately describes the relationship between the reactants and the products?

• A. The total mass of the reactants must equal the total mass of the products.
• B. The density of the reactants must equal the density of the products.
• C. The reactants must contain more complex molecules than the products do.
• D. The products must have different physical state than the reactants.

Answer 1

The correct option is A The total mass of the reactants must equal the total mass of the products.

The total mass of the reactants must equal the total mass of the products.