Calculate the concentration of Cu2+ Reduction potential of Zn2+(0.1 M)/Zn half-cell: –0.79 V Procedure  Pipet 1 mL of the 0.1 M Cu(NO3)2 solution (Solution 1) from the Cu2+(0.1 M)/Cu half-cell into a 50 mL volumetric flask and dilute to the mark with deionized water. Pour this diluted solution (Solution 2) into a 50 mL beaker. Pipet 1 mL of Solution 2 into a 50 mL volumetric flask and dilute to the mark with deionized water. Pour this diluted solution (Solution 3) into a 50 mL beaker. Repeat using Solution 3 to prepare Solution 4. Measure the cell potential for each of the three galvanic cells that can be made by pairing the Zn2+(0.1 M)/Zn half-cell with the half-cells containing Solutions 2–4 and the copper electrode. Make sure to rinse the copper electrode between each use

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Calculate the concentration of Cu2+

Reduction potential of Zn2+(0.1 M)/Zn half-cell: –0.79 V

Procedure 

  1. Pipet 1 mL of the 0.1 M Cu(NO3)2 solution (Solution 1) from the Cu2+(0.1 M)/Cu half-cell into a 50 mL volumetric flask and dilute to the mark with deionized water. Pour this diluted solution (Solution 2) into a 50 mL beaker.
  2. Pipet 1 mL of Solution 2 into a 50 mL volumetric flask and dilute to the mark with deionized water. Pour this diluted solution (Solution 3) into a 50 mL beaker. Repeat using Solution 3 to prepare Solution 4.
  3. Measure the cell potential for each of the three galvanic cells that can be made by pairing the Zn2+(0.1 M)/Zn half-cell with the half-cells containing Solutions 2–4 and the copper electrode. Make sure to rinse the copper electrode between each use
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