Penetration theory relates the average mass transfer co-efficient (K) with diffusivity D. as____________________?
A. K ∝D
B. K ∝√D
C. K ∝D1.5
D. K ∝D2
A. K ∝D
B. K ∝√D
C. K ∝D1.5
D. K ∝D2