Can you help me solve this question please! if I need to use excel can you please write down the steps.

12. The surface tension of an aqueous dilute solution of n-butanol at 20C is given to good accuracy by mmN=72.215.93ln(1+12.27m2) where m2 is the molality of butanol. Note: this is only valid up to a molality of m2=0.4kgmol. A. Determine the adsorption isotherm and the surface equation of state (in terms of the relative adsorption) up to a molality of 0.4 mol/kg, assuming ideal dilute solution behavior. B. Actually, the solution does exhibit some deviation from ideality and the activity coefficient for the solute butanol is given by lna2=0.00140.8418m2+3.1554m225.4245m23 Using this information, compute the relative adsorption of butanol at m2=0.10kgmol and compare it to the value obtained when ideality was assumed