Experiment 18: Measuring the
Potential Difference generated by some Simple Electrochemical Cells
Name: ___________________ ( ) Form 6 S
Results:
|
Cell |
Positive
electrode |
Negative
electrode |
Potential
difference / V |
|
1 |
|
|
|
|
Overall Equation: |
|||
|
Cell Diagram: |
|||
|
2 |
|
|
|
|
Overall Equation: |
|||
|
Cell Diagram: |
|||
|
3 |
|
|
|
|
Overall Equation: |
|||
|
Cell Diagram: |
|||
Questions:
1. What is the function of the salt
bridge in the cells?
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2. What solution is used for the salt
bridge? Explain the requirements of choosing this solution.
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The End