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J. W. Hill, R. H. Petrucci, T. W. McCreary, & S. S. Perry General Chemistry 4th edition

Review Question 18.3

What is the function of the salt bridge in an electrochemical cell?




Answer:

The salt bridge completes the electrical circuit between the anode and cathode half–cells. An effective salt bridge conducts current using ions (from an ionic salt) and not electrons.