Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Lower than
Equal to
Either A or B, depends on the mixture composition
Higher than

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Mass Transfer
The rate of solid-liquid extraction is limited by the

All of these
Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution
Diffusion of the solute through the solvent in the pores to the outside of the particle
Phase change of the solute as it dissolves in the solvent

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