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Transport number of Na+ ion in infinitely diluted solution (transport number of sodium ion in pure wate) is about 0.40, on the other hand transport number of K+ ion is 0.49.
Thus, during the long time of operation NaCl causes the imbalance of ions in the electrochemical cell.
Fortunately, By using the KCl ssalt bridge this critical problem can be solved.
Therefore, use of NaCl in salt bridge is forbidden...

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12y ago

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