Report Sheet bnsaslad c yllut ES Equilibrium and Le Chatelier's principle Seadut Effect of Concentration Data and Observations o imSw (a 1. Beaker #1 color inF, so the majority of cobalt is Co(H,O),"/ CoCl/both Co(H,O)" and CoCl,- rpaple. 2. Beaker #2 color so the majority of cobalt is Co(H,O)"/ CoCl/ both Co(H;O) and CoCl- 3. Beaker #3 color bwe. so the majority of cobalt is Co(H20),²"/ CoCl,² / both Co(H2O) and CoCl, 4. Describe how the color of beaker #2 changed when the first 2 mL of hydrochloric acid were added. Explain. The color went from pwai to blue because of the Hl amont nas iyher 5. Describe what happened to beaker #2 when the second 2mL of hydrochloric acid were added. Explain. 6. Describe what happened to beaker #2 when the water was added. Explain. The concentiation nas dinted by tao causting rchange in olor al back to purple. Calculations 1. What is the equation for Keg for this reaction? 1- M2V2 2. What is the concentration of cobalt (of any form) in beaker #2 initially (when 10.0mL of 0.10M CoCl2-6H20 and 5.0mL of HCI have been added together)? Hint: this is a dilution question Vi = 1OmL M1: 0.10M +5 MLof HU 2= 15.0mL Mi VI= Mz V2 Ma=?

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otb 19led go u
Report Sheet
Equilibrium and Le Chateliers principle
dutess 16
Effect of Concentration
Data and Observations
P alma e sdutstvoO
wo E odut z tu (2
1. Beaker #1 color
fink
so the majority of cobalt is Co(H,O),"/ CoCl," / both Co(H2O)6²* and CoCl2
2. Beaker #2 color NDe, so the majority of cobalt is Co(H,O),"/ CoCl,² / both Co(H;O),* and CoCl,²-
3. Beaker #3 color DWC , so the majority of cobalt is Co(H;O)"/ CoCl,²/ both Co(H,O),* and CoCla²-
4. Describe how the color of beaker #2 changed when the first 2 mL of hydrochloric acid were added.
Explain. The color went from purae to blue because of the Hl
amont nas
igher
5. Describe what happened to beaker #2 when the second 2mL of hydrochloric acid were added.
Explain.
6. Describe what happened to beaker #2 when the water was added. Explain.
The concentration was dihted
back to purple.
D causerng
vchange
in olor
Calculations
1. What is the equation for Keg for this reaction?
Vi- M2V2 2. What is the concentration of cobalt (of any form) in beaker #2 initially (when 10.0mL of 0.10M
CoCl2-6H20 and 5.0mL of HCI have been added together)? Hint: this is a dilution question
VI - 10mL
M1: 0.10 M
+5 MLof HU
J= 15.0ML
Mi VI = Mz
V2
Ma:?
Transcribed Image Text:otb 19led go u Report Sheet Equilibrium and Le Chateliers principle dutess 16 Effect of Concentration Data and Observations P alma e sdutstvoO wo E odut z tu (2 1. Beaker #1 color fink so the majority of cobalt is Co(H,O),"/ CoCl," / both Co(H2O)6²* and CoCl2 2. Beaker #2 color NDe, so the majority of cobalt is Co(H,O),"/ CoCl,² / both Co(H;O),* and CoCl,²- 3. Beaker #3 color DWC , so the majority of cobalt is Co(H;O)"/ CoCl,²/ both Co(H,O),* and CoCla²- 4. Describe how the color of beaker #2 changed when the first 2 mL of hydrochloric acid were added. Explain. The color went from purae to blue because of the Hl amont nas igher 5. Describe what happened to beaker #2 when the second 2mL of hydrochloric acid were added. Explain. 6. Describe what happened to beaker #2 when the water was added. Explain. The concentration was dihted back to purple. D causerng vchange in olor Calculations 1. What is the equation for Keg for this reaction? Vi- M2V2 2. What is the concentration of cobalt (of any form) in beaker #2 initially (when 10.0mL of 0.10M CoCl2-6H20 and 5.0mL of HCI have been added together)? Hint: this is a dilution question VI - 10mL M1: 0.10 M +5 MLof HU J= 15.0ML Mi VI = Mz V2 Ma:?
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