Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 4 - Reactions in Aqueous Solution - Exercises - Page 158: 4.27

Answer

$Pb^{+2}$

Work Step by Step

Lead (II) is the only cation that will form a precipitate with all three solutions based on the solubility rules and chart. Potassium and Barium both form soluble solutions.
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