For a given reaction, which statement is true? a. The equilibrium constant is always the
same number, but the concentration of
reactants and products can vary at
equilibrium.
b. The equilibrium constant is always the
same number as long as the
temperature is held constant.
c. The equilibrium constant is always the
same number as long as the pressure is
held constant
d. The equilibrium constant is always the
same number as long as the
concentration of CO2​ is held constant