7951Chemical EngineeringMedium
Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and ‘t’ is time)?
A(4De/πt)1/2
B(4De/t)
C(De.t)1/2
Correct answer
A. (4De/πt)1/2
Explanation
The correct answer is (4De/πt)1/2.