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CHEM 1212L Lab Manual- Page 44 Post Lab Questions Answering these questions will help you develop a flow chart and a strategy for the Qualitative Analysis of an Unknown Lab. 1. You have a solution that contains the following cations: Ag*, K* and Fe*3. You first add a few drops of 1 M HCI to the mixture. a. What will you observe? Include colors and appearance. AgCI : white Praipitate fets; light yellow 13 b. What cations, if any, will be present in the filtrate? ->Ag+ Tons AgCl c. What cations, if any, will be present in the precipitate? 2. After centrifuging and separation of the layers obtained above, you add a few drops of 3 M H2SO4 to the liquid obtained above. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate? 3. Again, after centrifuging and separation of the layers obtained in step two above, you add 2 M NaOH to the liquid obtained above until the solution is slightly basic. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate? Qualitative Analysis – Part II- Unknown Mixture Pre-Lab Using the information from Qualitative Analysis, parts I and II, develop a flow chart and a strategy (write a procedure for each test that will be performed in lab) to separate and Identify each cation in the mixture. Add additional pages if needed. The mixture may contain up to five of the following ions: Ag*, Hg2+2, Ba*2, AI*3, Cu*2, Ni*2, Mn*2, Fe*3, and K*. Flow Chart: Ag*, Hg2*2, Ba*2, Al*3, Cu2, Ni*2, Mn*2, Fe*3, K* Add HCI solution solid Ba2, Al*8, Cu*2, Ni2, Mn*2, Fe*3, K* AgCI(s), add Hq SOq

CHEM 1212L Lab Manual- Page 44 Post Lab Questions Answering these questions will help you develop a flow chart and a strategy for the Qualitative Analysis of an Unknown Lab. 1. You have a solution that contains the following cations: Ag*, K* and Fe*3. You first add a few drops of 1 M HCI to the mixture. a. What will you observe? Include colors and appearance. AgCI : white Praipitate fets; light yellow 13 b. What cations, if any, will be present in the filtrate? ->Ag+ Tons AgCl c. What cations, if any, will be present in the precipitate? 2. After centrifuging and separation of the layers obtained above, you add a few drops of 3 M H2SO4 to the liquid obtained above. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate? 3. Again, after centrifuging and separation of the layers obtained in step two above, you add 2 M NaOH to the liquid obtained above until the solution is slightly basic. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate? Qualitative Analysis – Part II- Unknown Mixture Pre-Lab Using the information from Qualitative Analysis, parts I and II, develop a flow chart and a strategy (write a procedure for each test that will be performed in lab) to separate and Identify each cation in the mixture. Add additional pages if needed. The mixture may contain up to five of the following ions: Ag*, Hg2+2, Ba*2, AI*3, Cu*2, Ni*2, Mn*2, Fe*3, and K*. Flow Chart: Ag*, Hg2*2, Ba*2, Al*3, Cu2, Ni*2, Mn*2, Fe*3, K* Add HCI solution solid Ba2, Al*8, Cu*2, Ni2, Mn*2, Fe*3, K* AgCI(s), add Hq SOq

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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CHEM 1212L Lab Manual- Page 44 Post Lab Questions Answering these questions will help you develop a flow chart and a strategy for the Qualitative Analysis of an Unknown Lab. 1. You have a solution that contains the following cations: Ag*, K* and Fe*3. You first add a few drops of 1 M HCI to the mixture. a. What will you observe? Include colors and appearance. AgCI : white Praipitate fets; light yellow 13 b. What cations, if any, will be present in the filtrate? ->Ag+ Tons AgCl c. What cations, if any, will be present in the precipitate? 2. After centrifuging and separation of the layers obtained above, you add a few drops of 3 M H2SO4 to the liquid obtained above. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate? 3. Again, after centrifuging and separation of the layers obtained in step two above, you add 2 M NaOH to the liquid obtained above until the solution is slightly basic. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate?
Transcribed Image Text:CHEM 1212L Lab Manual- Page 44 Post Lab Questions Answering these questions will help you develop a flow chart and a strategy for the Qualitative Analysis of an Unknown Lab. 1. You have a solution that contains the following cations: Ag*, K* and Fe*3. You first add a few drops of 1 M HCI to the mixture. a. What will you observe? Include colors and appearance. AgCI : white Praipitate fets; light yellow 13 b. What cations, if any, will be present in the filtrate? ->Ag+ Tons AgCl c. What cations, if any, will be present in the precipitate? 2. After centrifuging and separation of the layers obtained above, you add a few drops of 3 M H2SO4 to the liquid obtained above. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate? 3. Again, after centrifuging and separation of the layers obtained in step two above, you add 2 M NaOH to the liquid obtained above until the solution is slightly basic. a. What will you observe? Include colors and appearance. b. What cations, if any, will be present in the solution? c. What cations, if any, will be present in the precipitate?
Qualitative Analysis – Part II- Unknown Mixture Pre-Lab Using the information from Qualitative Analysis, parts I and II, develop a flow chart and a strategy (write a procedure for each test that will be performed in lab) to separate and Identify each cation in the mixture. Add additional pages if needed. The mixture may contain up to five of the following ions: Ag*, Hg2+2, Ba*2, AI*3, Cu*2, Ni*2, Mn*2, Fe*3, and K*. Flow Chart: Ag*, Hg2*2, Ba*2, Al*3, Cu2, Ni*2, Mn*2, Fe*3, K* Add HCI solution solid Ba2, Al*8, Cu*2, Ni2, Mn*2, Fe*3, K* AgCI(s), add Hq SOq
Transcribed Image Text:Qualitative Analysis – Part II- Unknown Mixture Pre-Lab Using the information from Qualitative Analysis, parts I and II, develop a flow chart and a strategy (write a procedure for each test that will be performed in lab) to separate and Identify each cation in the mixture. Add additional pages if needed. The mixture may contain up to five of the following ions: Ag*, Hg2+2, Ba*2, AI*3, Cu*2, Ni*2, Mn*2, Fe*3, and K*. Flow Chart: Ag*, Hg2*2, Ba*2, Al*3, Cu2, Ni*2, Mn*2, Fe*3, K* Add HCI solution solid Ba2, Al*8, Cu*2, Ni2, Mn*2, Fe*3, K* AgCI(s), add Hq SOq
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