If I get a CHATGPT answer I will give thumbs down

Calculate the mass of adsorbent required to remove $92\%$ of acetylene from a $18$L liquid containing $0\mathrm{.}2$ mg$/$L of acetylene. Use:

a$)$ Freundlich equation $($kf $=11,$ m $=0\mathrm{.}8)$

b$)$ Langmuir equation $($Wmax$=0\mathrm{.}38,$ b $=100)$