1. The following reaction is performed isothermally at 310 K in a PBR without a pressure drop. A(9) solid catalyst *B(9) -FA - CA . Ken The rate of the reaction is on the surface of the catalyst particles, which is given above, is equal to the molar flux of A to the surface. Calculate the concentrations of A and B on the surface of the catalyst when the conversion of A in the bulk solution is 0.4. Assume that the mass transfer coefficient, ke, is the same for species A and B. (25)