Mass Transfer
Wetted wall tower experiment determines the

Volumetric co-efficient
Molal diffusivity
None of these
Mass transfer co-efficient

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Mass Transfer
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

The fraction vaporised but not the product composition
Neither the product composition nor the fraction vaporised
The product composition as well as the fraction vaporised
The product composition but not the fraction vaporised

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