Separate samples of a solution of an unknown ionic compound were treated with dilute solutions of NaOH, H2SO4 and H3PO4. Precipitates formed in all three cases. Which of the following could be a cation of the unknown salt? Select all that apply. None of the cations given Ba2+ Pb2+

Separate samples of a solution of an unknown ionic compound were treated with dilute solutions of NaOH, H2SO4 and H3PO4. Precipitates formed in all three cases. Which of the following could be a cation of the unknown salt? Select all that apply. None of the cations given Ba2+ Pb2+

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section: Chapter Questions

Problem 97GQ: A solution contains Ca2+ and Pb2+ ions, both at a concentration of 0.010 M. You wish to separate the...

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Question

Separate samples of a solution of an unknown ionic compound were treated with dilute solutions of
NaOH, H2SO4 and H3PO4. Precipitates formed in all three cases. Which of the following could be a
cation of the unknown salt? Select all that apply.
None of the cations given
Ba2+
Pb2+
K*

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