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After adding the water how was the equilibrium affected? If a compound was removed how? Explain the effect of water addition using Le Chatelier's Principle.

After adding the water how was the equilibrium affected? If a compound was removed how? Explain the effect of water addition using Le Chatelier's Principle.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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After adding the water how was the equilibrium affected?

If a compound was removed how?

Explain the effect of water addition using Le Chatelier's Principle.

PART B: COBALT IONS Similar to copper and nickel, when Co³* ions dissolve in room temperature water, their solutions appear red resulting from the metal complex with coordinating waters. If excess CI ions are added to these complexes, however, the CI" ions displace the coordinating waters to form cobalt(II) chloride complexes as shown in Rxn B.1, and these complexes turn the solution blue. Rxn B.1: [Co(H;O)a* (aq) + 4 CI (aq) =[CoCi,j* (aq) + 6 H¿O(1) Red Blue 3. Perform Rxn B.1. In another large 6" test tube, use a pipet to add 10 drops of 1.0 M CoCl,(ag). Then, go to a fume hood and slowly add 12 M HĊI to your test tube dropwise until a distinct color change takes place. Record observations on your report sheet. You may now take the test tube back to your bench and add DI H̟O dropwise via pipet to your test tube until a color change takes place. On your report shcet record all requested observations and explain the effect of H,O addition on the equilibrium reaction accord- ing to Le Châtelier's principle. Dispose of your tube's contents in the waste container in the hood. REACTION B.1 Color of CoCl, solution prior to reaction Color of solution after HCl addition Color of solution after H,O addition B.1 Equilibrium rxn equation , After H,O addition, how was the above equilibrium affected? was (compound from equilibrium rxn) If a compound was removed, how?. (added or removed) Explain the effect of H,O addition using Le Châtelier's principle.
Transcribed Image Text:PART B: COBALT IONS Similar to copper and nickel, when Co³* ions dissolve in room temperature water, their solutions appear red resulting from the metal complex with coordinating waters. If excess CI ions are added to these complexes, however, the CI" ions displace the coordinating waters to form cobalt(II) chloride complexes as shown in Rxn B.1, and these complexes turn the solution blue. Rxn B.1: [Co(H;O)a* (aq) + 4 CI (aq) =[CoCi,j* (aq) + 6 H¿O(1) Red Blue 3. Perform Rxn B.1. In another large 6" test tube, use a pipet to add 10 drops of 1.0 M CoCl,(ag). Then, go to a fume hood and slowly add 12 M HĊI to your test tube dropwise until a distinct color change takes place. Record observations on your report sheet. You may now take the test tube back to your bench and add DI H̟O dropwise via pipet to your test tube until a color change takes place. On your report shcet record all requested observations and explain the effect of H,O addition on the equilibrium reaction accord- ing to Le Châtelier's principle. Dispose of your tube's contents in the waste container in the hood. REACTION B.1 Color of CoCl, solution prior to reaction Color of solution after HCl addition Color of solution after H,O addition B.1 Equilibrium rxn equation , After H,O addition, how was the above equilibrium affected? was (compound from equilibrium rxn) If a compound was removed, how?. (added or removed) Explain the effect of H,O addition using Le Châtelier's principle.
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