The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is
A. D/a
B. D/2a
C. Proportional to $$\sqrt {\text{D}} $$
D. Dependent on the Reynolds number
Answer: Option D
This Question Belongs to Chemical Engineering >> Mass Transfer
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