In the expression for molar flux NA=(NA+NB)CA/C – DABdCA/dz, the terms representing bulk flow and molecular diffusion are, respectivelya)(NA+NB)CA/C, DABdCA/dzb)(NA+NB)CA/C, DABdCA/dac)(NA+NB)CA/C, (NA+NB)CA/Cd)(DABdCA/dz, DABdCA/dz)Correct answer is option 'A'. Can you explain this answer?

Question

In the expression for molar flux NA=(NA+NB)CA/C &ndash; DABdCA/dz, the terms representing bulk flow and molecular diffusion are, respectivelya)(NA+NB)CA/C, DABdCA/dzb)(NA+NB)CA/C, DABdCA/dac)(NA+NB)CA/C, (NA+NB)CA/Cd)(DABdCA/dz, DABdCA/dz)Correct answer is option 'A'. Can you explain this answer?

Answer

, what do the symbols represent?

NA: Molar flux of species A (mol/m^2s)
NB: Molar flux of species B (mol/m^2s)
CA: Molar concentration of species A (mol/m^3)
C: Total molar concentration of all species (mol/m^3)

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