Three cobalt(III) complexes A, B, and C have the empirical formulas CoCl ₃ 6 NH ₃ , CoCl ₃ 5 NH ₃ , and CoCl ₃ 4 NH ₃ respectively. In aqueous solution, complex A behaves as a 1:3 electrolyte, complex B as a 1:2 electrolyte, and complex C as a 1:1 electrolyte. The total number of moles of AgCl precipitated when a mixture containing 2 moles of A, 1 mole of B, and 3 moles of C is treated with an excess of aqueous AgNO

Step-by-step solution

The electrolyte behavior indicates the number of ions produced per formula unit. Complex A ( CoCl ₃ 6 NH ₃ ) is a 1:3 electrolyte, meaning it yields one complex cation and three chloride anions. Its formula is [ Co ( NH ₃)₆] Cl ₃ . Each mole of A gives 3 moles of ionizable Cl ^- . Complex B ( CoCl ₃ 5 NH ₃ ) is a 1:2 electrolyte, yielding one complex cation and two chloride anions. Its formula is [ Co ( NH ₃)₅ Cl ] Cl ₂ . Each mole of B gives 2 moles of ionizable Cl ^- . Complex C ( CoCl ₃ 4 NH ₃ ) is a 1:1 electro