Water flows in a long and wide but thin horizontal channel (i.e., 2b/W

Write the mass transfer equations needed to completely describe the transport of benzene in the two-fluid system (i.e., the differential equations from which the concentration profiles for benzene in the water and organic phases can be obtained)

b Phasel (organic solvent) y = 0 Phase II (water) b x=0 x=L Velocity Profiles: v(y) $? 6? V + 6 [p'+() - (5)) 7*] =