Question

hich statement correctly describes a chemical equilibrium? It must take place in an open system. The mass of the reactants and the mass of the products are equal. It is affected by the addition of a catalyst. It does not involve a reversible reaction. The concentrations of reactants and products are equal.

Answer 1

B.

The mass of the reactants and the mass of the products are not equal.

Step-by-step explanation:

The amount of reactants and products do not have to be equal.

Answer 2

the mass of the reactants and the mass of the products are no equal.