what are the uses of inert electrolyte like KNO3 in the salt brigde used in a daniell cell???
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A salt bridge is a U- shaped tube containing concentrated solution of aninert electrolyte like KCl, KNO3, K2SO4, etc. or solidified solution of such an electrolyte in agar- agar. Aninert electrolyte is one whose ions do not take part in the redox reaction and also do not react with electrolytes used.
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