Q)
A complex is represented as $CoCl_3. xNH_3$. Its 0.1 molal solution in aqueous solution shows $\Delta T_f$ = 0.5580. $K_f$ for $H_2O$ is 1.86 K molality^{-1}$. Assuming 100% ionization of complex and co-ordination number of $Co$ as six, find the value of x.
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