Mass Transfer
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Pure component is represented by the apex
Binary mixture is represented by any point inside
Binary mixture is represented by the apex
Ternery mixture is represented by the sides

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Mass Transfer
Entrainer used in azeotropic distillation should

Form a new azeotrope of low relative volatility with one of the constituents of the mixture
Have high viscosity to provide high tray efficiency
Form a low boiling azeotrope with one of the constituents of the mixture
Have high latent heat of vaporisation

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