Chemical Engineering > GATE 2014 > Dissolution
A spherical ball of benzoic acid (diameter = 1.5 cm) is submerged in a pool of still water. The solubility and diffusivity of benzoic acid in water are 0.03 kmol/m3 and 1.25×10-9m2/s respectively. Sherwood number is given as Sh=2.0+0.6 Re0.5Sc0.33. The initial rate of dissolution (in kmol/s) of benzoic acid approximately is
Correct : b
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