Mass Transfer
The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.)

Kc = Kp = Km
Kc = Kp . RT = Km . RT/p
None of these
Kc = Kp/RT = Km . RT/P

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Mass Transfer
The McCabe Δ L law states that the

Linear crystal growth rate depends on the crystal size
Linear crystal growth rate depends on the degree of supersaturation
Molar heats of vaporisation of components are nearly equal
Linear crystal growth rate does not depend on the crystal size

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