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A solution contains some or all of the ions Cu²+, Al³+, K, Ca²+, Ba²+, Pb²+, and NH₁. The following tests were performed, in order, on the solution. 1. Addition of 6 M HCl produced no reaction. 2. Addition of H₂S with 0.2 M HCl produced a black solid. 3. Addition of (NH4)2S produced a white solid. 4. Addition of (NH4)2HPO4 in NH, produced no reaction. 5. The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn. Drag the appropriate items to their respective bins. ▸ View Available Hint(s) Present Cu²+ Pb²+ Ba²+ Absent. A1³+ K+ Ca²+ NH₂ Inconclusive Re

A solution contains some or all of the ions Cu²+, Al³+, K, Ca²+, Ba²+, Pb²+, and NH₁. The following tests were performed, in order, on the solution. 1. Addition of 6 M HCl produced no reaction. 2. Addition of H₂S with 0.2 M HCl produced a black solid. 3. Addition of (NH4)2S produced a white solid. 4. Addition of (NH4)2HPO4 in NH, produced no reaction. 5. The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn. Drag the appropriate items to their respective bins. ▸ View Available Hint(s) Present Cu²+ Pb²+ Ba²+ Absent. A1³+ K+ Ca²+ NH₂ Inconclusive Re

Chemistry & Chemical Reactivity
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
Chapter15: Principles Of Chemical Reactivity: Equilibria
Section: Chapter Questions
Problem 66IL: The photograph below shows what occurs when a solution of potassium chromate is treated with a few...
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A solution contains some or all of the ions Cu²+, Al³+, K, Ca, Ba²+, Pb²+, and NH₂. The following tests were performed, in order, on the solution. 1. Addition of 6 M HCl produced no reaction. 2. Addition of H₂S with 0.2 M HCl produced a black solid. 3. Addition of (NH4)2S produced a white solid. 4. Addition of (NH4)2HPO4 in NH, produced no reaction. 5. The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn. Drag the appropriate items to their respective bins. ▸ View Available Hint(s) Present Cu²+ Pb²+ Ba²+ A1³+ K+ Ca²+ NH₁ Absent Inconclusive Re
Transcribed Image Text:A solution contains some or all of the ions Cu²+, Al³+, K, Ca, Ba²+, Pb²+, and NH₂. The following tests were performed, in order, on the solution. 1. Addition of 6 M HCl produced no reaction. 2. Addition of H₂S with 0.2 M HCl produced a black solid. 3. Addition of (NH4)2S produced a white solid. 4. Addition of (NH4)2HPO4 in NH, produced no reaction. 5. The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn. Drag the appropriate items to their respective bins. ▸ View Available Hint(s) Present Cu²+ Pb²+ Ba²+ A1³+ K+ Ca²+ NH₁ Absent Inconclusive Re
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