X Y 0 0 0.001011 0.000807 0.002460 0.001961 0.00502 0.00456 0.00751 0.00686 0.00998 0.00913 0.0204 0.0187 If 1000 kg/h of a nicotine (C)-water (A) solution containing 1% nicotine is to be countercurrently extracted with kerosene (B) at 20C to reduce nicotine content to 0.1%, determine: (a) The minimum kerosene rate in kg/h. (b) The number of theoretical stages required if 1450 kg/h of kerosene is used