An aqueous solution contains Pb2+, Ca2+, and K+. Identify the rea...

6. Chemical Quantities & Aqueous Reactions

Molecular Equations

6. Chemical Quantities & Aqueous Reactions breadCrumbPlay

ANSWERS OPTIONS

(i) 6 M HCl then (ii) (NH₄)₂HPO₄ and NH₃

(i) 6 M HCl then (ii) (NH₄)₂S at pH = 8

(i) H₂S and 0.2 M HCl then (ii) (NH₄)₂S at pH = 8

(i) H₂S and 0.2 M HCl then (ii) (NH₄)₂HPO₄ and NH₃

An aqueous solution contains Pb2+, Ca2+, and K+. Identify the reagents that can be used to separate these cations.