The number of ions formed by these substances during dissociation zncl2-fe2 (so4) 3-ba (oh) 2

ZnCl2 – during dissociation, one zinc ion and 2 chlorine ions are formed, therefore, 3 ions
Fe2 (SO4) 3 – upon dissociation, 2 iron ions and 3 SO4 ions are formed, therefore, 5 ions
Ba (OH) 2 – upon dissociation, 1 barrium ion and 2 OH ions are formed, therefore, 3 ions



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