Mass Transfer
A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m-xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture?

The mixture exhibits an azeotrope at 101.3 kPa
The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10
The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10
The mixture contain optical isomers

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Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Helps in increasing the bubble size entering the settler
All of these
Helps in increasing the settling rate of the bubbles
Comprises of thin bed of substances of extended surface having high porosity

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