Mass Transfer
Mass transfer co-efficient is defined as

Flux = Co-efficient/concentration difference
Flux=concentration difference/co-effi-cient
None of the listed here
Co-efficient = Flux/concentration difference

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Mass Transfer
The wetted wall tower is used to determine

M.T.C. of liquid in liquid-gas system
Individual mass transfer co-efficient (M.T.C.) in gaseous system
The overall M.T.C. of the system
M.T.C. of individual components in a liquid-liquid system

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