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Hydrogen diffuses through a polyethylene membrane at 25 C. The pressures on the sides of the membrane are 6 MPa and 350 kPa. Diffusivity and permeability data are given in Table 1. If the hydrogen flux is to be 0.34 kg mol/m2.h, determine the thickness of the membrane in um. (6 marks) Solute (A) Solid (B) DAR Diffusion Coefficient lor's Solubility, we' solute(STP) solidam Permeability, PM solute(STP) matum T(K) H 0.040 O N. CO H Vulcanized 298 0.85(109 rubber 298 0.21(10) 298 0.15(10-) 298 0.11(10) Vulcanized neoprene 290 0.103(10-) 3000.180(109) Polyethylene 298 303 0.070 0.035 0.90 0.342(10-) 0.152(10-16) 0.054(10-) 1.01(10-19) 0.051 0.053 H, 02 N, O2 N2 Air 303 6.53(10-2) 4.17(10-2) 1.52(10-2) 0.029(10-2) 0.0152(10-12) Nylon 303 303 298 English leather Wax Cellophane Pyrex glass H,0 H2O He 306 311 293 373 293 293 293 0.15-0.68 x 10 0.16(10-0) 0.91 -1.82(10-) 4.86(10-15) 20.1(10-15) 0.01 He H SiO2 Fe Cu 2.4-5.5(10-1) 2.59(10-13) 1.3(10-) Hydrogen diffuses through a polyethylene membrane at 25 C. The pressures on the sides of the membrane are 6 MPa and 350 kPa. Diffusivity and permeability data are given in Table 1. If the hydrogen flux is to be 0.34 kg mol/m2.h, determine the thickness of the membrane in um. (6 marks) Solute (A) Solid (B) DAR Diffusion Coefficient lor's Solubility, we' solute(STP) solidam Permeability, PM solute(STP) matum T(K) H 0.040 O N. CO H Vulcanized 298 0.85(109 rubber 298 0.21(10) 298 0.15(10-) 298 0.11(10) Vulcanized neoprene 290 0.103(10-) 3000.180(109) Polyethylene 298 303 0.070 0.035 0.90 0.342(10-) 0.152(10-16) 0.054(10-) 1.01(10-19) 0.051 0.053 H, 02 N, O2 N2 Air 303 6.53(10-2) 4.17(10-2) 1.52(10-2) 0.029(10-2) 0.0152(10-12) Nylon 303 303 298 English leather Wax Cellophane Pyrex glass H,0 H2O He 306 311 293 373 293 293 293 0.15-0.68 x 10 0.16(10-0) 0.91 -1.82(10-) 4.86(10-15) 20.1(10-15) 0.01 He H SiO2 Fe Cu 2.4-5.5(10-1) 2.59(10-13) 1.3(10-)