system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does NaCl solution conduct electricity while solid NaCl doesn't?
gpt
When you dissolve an ionic substance (like NaCl) you actually no longer have NaCl what you have are Na+ and Cl- floating around in the water.

Since these pieces carry a charge, they can arrange to conduct electricity.

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EDIT: Since people keep asking why salt water tastes salty:

Your salty receptors detect the sodium cation (Na +).

In fact if you have salt in your mouth, it's at least partially dissolved so it would be a more interesting experiment to try eat a block of salt with no saliva and see if you taste it( not that that's actually possible)