1.

In the expression for molar flux NA=(NA+NB)CA/C – DABdCA/dz, the terms representing bulk flow and molecular diffusion are, respectively$

A. (N<sub>A</sub>+N<sub>B</sub>)C<sub>A</sub>/C, D<sub>AB</sub>dC<sub>A</sub>/dz
B. (N<sub>A</sub>+N<sub>B</sub>)C<sub>A</sub>/C, D<sub>AB</sub>dC<sub>A</sub>/dz
C. (N<sub>A</sub>+N<sub>B</sub>)C<sub>A</sub>/C, (N<sub>A</sub>+N<sub>B</sub>)C<sub>A</sub>/C
D. (D<sub>AB</sub>dC<sub>A</sub>/dz, D<sub>AB</sub>dC<sub>A</sub>/dz)
Answer» B. (N<sub>A</sub>+N<sub>B</sub>)C<sub>A</sub>/C, D<sub>AB</sub>dC<sub>A</sub>/dz


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