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5. If E. equals 0.80 V, what is E

5. If E. equals 0.80 V, what is E

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
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section: Chapter Questions
Problem 84GQ
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5. If E A equals 0.80 V, what is E? 6. Write the net ionic equation for the reaction that occurs in the cell studied by the student: 7. The student adds 6 M NH, to the CuSO, solution until the Cu²+ ion is essentially all converted to Cu(NH₂)2+ ion. The cell voltage, E increases to 0.96 V and the copper electrode is still negative. Find the concentration of Cu²+ ion in the cell (use Equation (8)). Show your calcula- tions. cell 8. In question 7 the [Cu(NH,),2] is about 0.01 M and [NH,] is about 3 M. Given these values and [Cu²+] from question 7, determine K for the following reaction. Show your calculations. Cu(NH₂), Cu²+ (aq) Lag) + 6 NH M K=
Transcribed Image Text:5. If E A equals 0.80 V, what is E? 6. Write the net ionic equation for the reaction that occurs in the cell studied by the student: 7. The student adds 6 M NH, to the CuSO, solution until the Cu²+ ion is essentially all converted to Cu(NH₂)2+ ion. The cell voltage, E increases to 0.96 V and the copper electrode is still negative. Find the concentration of Cu²+ ion in the cell (use Equation (8)). Show your calcula- tions. cell 8. In question 7 the [Cu(NH,),2] is about 0.01 M and [NH,] is about 3 M. Given these values and [Cu²+] from question 7, determine K for the following reaction. Show your calculations. Cu(NH₂), Cu²+ (aq) Lag) + 6 NH M K=
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