Ag+ is added to a solution of 0.0018 M Cl- and 0.0018 M SCN-. Define the AgSCN precipitates first (Ksp = 1.0 × 10-12), followed by the AgCl (Ksp = 1.8 × 10-10). Explain what percentage of the SCN- is still in solution not precipitated Explain when the AgCl just starts to precipitate?