Chemistry

Francisco Ibarra

21 March, 17:08

Which statement describes a reaction at equilibrium?

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

2. The entropy of the reactants must equal the entropy of the products

3. The rate of formation of the products must equal the rate of formation of the reactants.

4. The number of moles of the reactants must equal the number of moles of the products.