A salt bridge is used to

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Quizplus · Accepted Answer

A salt bridge is a device used in electrochemical cells to allow the free flow of ions between the two half-cells, which are separated by a barrier to prevent direct mixing of the electrolytes. This flow of ions is necessary for maintaining the electrical neutrality of the cell, as it balances the charge buildup that would otherwise occur due to the buildup of electrons in the anode and the corresponding lack of electrons in the cathode. Thus, option D, "allow the ion flow necessary for cell neutrality", is the best choice.

A Salt Bridge Is Used to