Question

in electrochemistry why do we use KNO3 for the salt bridge?

Answer 1

The salt bridge is used to maintain electrical neutrality in the system. The ions need to flow back and forth between the two half-cells. KCl or better yet, KNO3, are just simple, inert salts. KCl would NOT be a good choice if you had silver or lead electrodes, because it would lead to some precipitate formation.

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Answer 2

Answer:

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