Precipitation Reactions (Section)Separate samples of a
Chapter 4, Problem 25E(choose chapter or problem)
Problem 25E
Precipitation Reactions (Section)
Separate samples of a solution of an unknown salt are treated with dilute solutions of HBr, H2SO4, and NaOH. A precipitate forms in all three cases. Which of the following cations could be present in the unknown salt solution: K+, Pb2+, Ba2+?
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