When salt (NaCl) is dissolved in water, it dissociates into its constituent ions:

* Sodium ions (Na+)

* Chloride ions (Cl-)

Here's a breakdown of what happens:

1. Polarity: Water molecules are polar, meaning they have a slightly positive end (near the hydrogen atoms) and a slightly negative end (near the oxygen atom).

2. Attraction: The positive end of water molecules is attracted to the negative chloride ions (Cl-), while the negative end of water molecules is attracted to the positive sodium ions (Na+).

3. Dissociation: These attractions overcome the ionic bond holding the sodium and chloride ions together in the salt crystal. The ions separate and become surrounded by water molecules, forming what's called a hydration shell.

So, when salt dissolves in water, it doesn't disappear; it simply breaks down into individual ions that are surrounded by water molecules. This process is called electrolyte dissociation because the resulting solution can conduct electricity.