Which of the following statements is true regarding the constants k and n in the Freundlich adsorption isotherm?
They are independent of the nature of the adsorbent and the gas.
They are independent of the temperature.
They depend on the nature of the adsorbent and the gas.
They depend on the temperature.
The constants k and n in the Freundlich adsorption isotherm depend on the nature of the adsorbent and the gas at a particular temperature