How is the passage of electricity through an electrolyte different from the passage of electricity through a copper wire?

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Solution

The passage of electricity through an electrolyte occurs due to the presence of free ions in it. The movement of these free ions is responsible for electrical conductance.
The passage of electricity through a copper wire is due to the presence of free electrons in it. The moving free electrons transmit the current. Thus, the passage of electricity differs between an electrolyte and a copper wire.

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