What does salt do in the electrolysis of water?

Salt is the solute (the substance being dissolved) and water is the solvent (the substance doing the dissolving.

Boil the water out of the solution the water will evaporate and the solid;salt will remain at the bottom but still soggy.

NO salt water has salt in it, fresh water or "regular" water doesn't have any salt.

Since the boiling for salt is significantly higher than that of water, the water boils away leaving a salty residue at the base of the container used to boil saltwater.

Table salt is Sodium Chloride (NaCl), and while NaCl is found in salt water, there are many other salts and minerals found in it also. While some people do use actual sea salt, or sometimes just...