You are given an unknown solution, which contains both aqueous barium ion, Ba₂+(aq), and aqueous lead(II) ion, Pb₂+(aq). Which of your six solutions would allow separation of the ijns? Select all that apply.

A. Ammonium chloride, NH₄Cl(aq)
B. Copper(II) nitrate, Cu(NO₃)₂(aq)
C. Potassium chloride, KCl(aq)
D. Silver nitrate, AgNO₃(aq)
E. Sodium hydroxide, NaOH(aq)
F. Sulfuric acid, H₂SO₄(aq)