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Chemical Engineering - Mass Transfer - Discussion

Discussion Forum : Mass Transfer - Section 14 (Q.No. 19)
Mass Transfer
19.
Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time)
(De.t)1/2
(De/t)1/2
(4De/πt)1/2
(4De/t)
Answer: Option
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