According to Chilton-Colburn analogy for mass transfer, NSt.NSc 2/3 is equal to_________________? August 22, 2021February 16, 2019 by admin According to Chilton-Colburn analogy for mass transfer, NSt.NSc 2/3 is equal to_________________? A. fB. f/2 C. 2f D. 1/f