42. Решение задачи по химии №004 286

486. Determine what is the charge of the complex ion, the degree of oxidation and the coordination number of the complexing agent in the following compounds: K3[Fe(CN)6], [Zn(NH3)4]SO4, Na2[Cu(CN)4], K2[HgI4 ]. Write the dissociation equations for these compounds in aqueous solutions.

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