The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.) Correct Answer $$ - \frac{{\text{q}}}{{1 - {\text{q}}}}$$

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If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is