salt bridge

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Madelyn Cearlock
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Joined: Fri Sep 28, 2018 12:19 am

salt bridge

Postby Madelyn Cearlock » Mon Feb 25, 2019 10:25 pm

what is the necessity of the salt bridge/what does it do?

Posts: 63
Joined: Fri Sep 28, 2018 12:23 am

Re: salt bridge

Postby Brandon_Tran_2E » Mon Feb 25, 2019 10:29 pm

Since the electrons flow from anode to cathode, the anode side of the reaction will become more positive and there will be a build up of negative charge in the cathode which slows the reaction/flow of e-. To balance the charges and allow the reaction to keep continuing there has to be a salt bridge/porous disc that allows ions(anions) to flow into the anode side to balance the charge loss of electrons.

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