For benzene-toluene solutions at 120 degree C some liquid and vapor compositions and total vapor pressures are: For a solution at 120 degree C with X^C_6H_6_liq = 0.262, a) calculate the Raoult's law standard state activity coefficient for benzene and toluene b) calculate the Henry's law standard state activity coefficient of benzene if solvent is taken as toluene, c) Calculate Delta G_mix form 125 g of this solution from the pure components at 120 degree C