Chemistry - Liquid Solution Question with Solution | TestHub

$\text{0}\text{.002}$molal aqueous solution of an ionic compound with moleciular formula${\text{Co(NH}}_{\text{3}}{\text{)}}_{\text{5}}\left({\text{NO}}_{\text{2}}\right)\text{Cl}$freezes at$-0.00744^{\circ }\mathrm{C}$. How many moles of ions does$3$moles of the salt produce on being dissolved in water?
[Given:${\text{K}}_{\text{f}}$of water$=1.86\text{K}\text{kg}{\text{mol}}^{-1}$]