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.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.