placed 10 drops of 1.0 M CoCl2 in a test tube. I then added drops on concentrated HCl. The color changed from burgandy to violet with just 5 drops of HCl. Then I added a few drops of water and the color changed back to burgandy. What is the reason for the change back to burgandy?
placed 10 drops of 1.0 M CoCl2 in a test tube. I then added drops on concentrated HCl. The color changed from burgandy to violet with just 5 drops of HCl. Then I added a few drops of water and the color changed back to burgandy. What is the reason for the change back to burgandy?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 11QAP: A buffer is prepared by dissolving 0.0250 mol of sodium nitrite, NaNO2, in 250.0 mL of 0.0410 M...
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I placed 10 drops of 1.0 M CoCl2 in a test tube. I then added drops on concentrated HCl. The color changed from burgandy to violet with just 5 drops of HCl. Then I added a few drops of water and the color changed back to burgandy. What is the reason for the change back to burgandy?
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