Nicotine $l$ in a water $(A)$ solution containing

$5c^{1\%Nicotineistobe\text{e}\text{x}\text{t}\text{r}\text{a}\text{c}\text{t}\text{e}\text{d}\text{w}\text{i}\text{t}\text{h}kerosene}($B$)$ at $20C.$ Water and kerosene are essentially insoluble:

$8$

$($i$)$ Determine the percentage extraction of Nicotine if $100kg$ of feed solution is extracted once with $150kg$ of solvent.

$($ii$)$ Repeat their theoretical extractions using $50kg$ solvent each.

Equilibrium data :

Table