Author Question: Sodium chloride is added slowly to a solution that is 0.010 M in Cu+, Ag+, and Au+. The Ksp values ... (Read 53 times)

maegan_martin · **on:** Mar 21, 2021

Question 1

Silver chromate, Ag₂CrO₄, has a K_sp of 8.99 × 10^–12. Calculate the solubility in mol/L of silver chromate.

◦ 1.31 × 10^–4M
◦ 1.65 × 10^–4M
◦ 2.25 × 10^–12M
◦ 2.08 × 10^–4M
◦ 1.50 × 10^–6M

Question 2

Sodium chloride is added slowly to a solution that is 0.010 M in Cu⁺, Ag⁺, and Au⁺. The K_sp values for the chloride salts are 1.9 × 10^–7, 1.6 × 10^–10, and 2.0 × 10^–13, respectively. Which compound will precipitate first?

◦ CuCl
◦ AgCl
◦ AuCl
◦ All will precipitate at the same time.
◦ Additional information is needed.

ryansturges · **Reply #1 on:** Mar 21, 2021

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