18. Aqueous Equilibrium
Complex Ions: Formation Constant
8PRACTICE PROBLEM
When 2.50×10–3 mol of CuCl are added to 450.0 mL of a 0.250 M KCN solution, a complex ion with the formula [Cu(CN)2]– is formed. Kf for the complex ion is 1.00×1016. What is the fraction of uncomplexed Cu+ ions in the solution?
When 2.50×10–3 mol of CuCl are added to 450.0 mL of a 0.250 M KCN solution, a complex ion with the formula [Cu(CN)2]– is formed. Kf for the complex ion is 1.00×1016. What is the fraction of uncomplexed Cu+ ions in the solution?