This is a chemical engineering related question.i have four components for a multicomponent...

...distillation. A,B,C and D there relative volatilitys are 4,2,1 and 0.5 respectively how do you justify the light key and heavy key components?? or:

...distillation. A,B,C and D there relative volatility's are 4,2,1 and 0.5 respectively how do you justify the light key and heavy key components??

or:...distillation. A,B,C and D there relative volatility's are 4,2,1 and 0.5 respectively how do you justify the light key and heavy key components??

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