1.

What is the correct expression for overall mass transfer coesfficient based on mole fraction driving forces?

A. 1/K<sub>x</sub> = 1/K<sub>A</sub>k<sub>y</sub> + 1/k<sub>x</sub>
B. K<sub>x</sub> = 1/K<sub>A</sub>k<sub>y</sub> + 1/k<sub>x</sub>
C. 1/K<sub>x</sub> = K<sub>A</sub>/k<sub>y</sub> + 1/k<sub>x</sub>
D. 1/K<sub>x</sub> = 1/K<sub>A</sub>k<sub>x</sub> + 1/k<sub>y</sub>
Answer» B. K<sub>x</sub> = 1/K<sub>A</sub>k<sub>y</sub> + 1/k<sub>x</sub>


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