Q$4)$ Asolutionofnicotineinwatercontaining $\%$ nicotineistobeextractedwith keroseneat $293k(20C)$ Waterand kerosene areessentiallyinsoluble. The equilibriumdatais

$|10]$

$\backslash$table$[[x=0,0\mathrm{.}001011,0\mathrm{.}00246,0\mathrm{.}00502,0\mathrm{.}00751,0\mathrm{.}00998,0\mathrm{.}0102],[Y=0,0\mathrm{.}000807,0\mathrm{.}0019610\mathrm{.}00456,0\mathrm{.}00686,0\mathrm{.}00913,0\mathrm{.}00935,]]$

Where

$Y=$kgnicotin$\frac{e}{k}$gkerosenex$=kg$ nicotine $\frac{?}{kg}$ water

a$)$ Determinethepercentageextraction of nicotineif $100kg$ of a feedsolution is extracted with $150kg$ of solvent $($kerosene$)$

b$)$ Repeatfor threetheoretical extractionsusing $50$kgsolventeachtime.