salt bridge

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Margaret Akey
Posts: 80
Joined: Fri Sep 28, 2018 12:18 am

salt bridge

Postby Margaret Akey » Thu Feb 21, 2019 8:31 pm

What is the purpose of the salt bridge?

Sophia_Kiessling_2L
Posts: 61
Joined: Fri Sep 28, 2018 12:26 am

Re: salt bridge

Postby Sophia_Kiessling_2L » Thu Feb 21, 2019 8:39 pm

The salt bridge allows ions to flow so that the electrical circuit is completed but it's a salt so the cell reaction isn't affected.

Mona Lee 4L
Posts: 60
Joined: Fri Sep 28, 2018 12:16 am

Re: salt bridge

Postby Mona Lee 4L » Thu Feb 21, 2019 8:39 pm

The salt bridge facilitates electron flow between the two electrodes. Essentially, as the reaction progresses, electrons will move from the anode to the cathode. Without a salt bridge, all the electrons would be transferred to the cathode, stopping the reaction. With the salt bridge, electrons can flow back to the anode, allowing the reaction to continue.

sallina_yehdego 2E
Posts: 75
Joined: Sun Apr 29, 2018 3:00 am

Re: salt bridge

Postby sallina_yehdego 2E » Fri Feb 22, 2019 9:30 am

Ultimately, a salt bridge is what helps maintain a battery and allows it to work. When adding a salt bridge, it the elements K+ favors the cathode and CL- favors the anion, and helps the stabilize the flow of electrons between the two.

MadisonB
Posts: 63
Joined: Fri Sep 28, 2018 12:19 am

Re: salt bridge

Postby MadisonB » Fri Feb 22, 2019 10:22 am

it connects the oxidation and reduction half-cells of a galvanic cell

Chris Freking 2G
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

Re: salt bridge

Postby Chris Freking 2G » Fri Feb 22, 2019 11:09 am

Why is it favorable for the ions to flow through the salt bridge to the anode from the cathode? Is it because the electron flow from the anode to the cathode makes the cathode negatively charged the cathode negatively charged and the anode positively charged, thus making the salt bridge ion flow favorable as a way to balance the charges?


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