* Water is a polar molecule: The oxygen atom in water has a slightly negative charge, while the hydrogen atoms have a slightly positive charge. This uneven distribution of charge creates a dipole moment, making water a polar molecule.
* Table salt (NaCl) is an ionic compound: Sodium chloride is composed of positively charged sodium ions (Na+) and negatively charged chloride ions (Cl-). These ions are held together by strong electrostatic forces.
* Polar dissolves polar: When water molecules encounter table salt, the positively charged hydrogen ends of water molecules are attracted to the negatively charged chloride ions, while the negatively charged oxygen ends are attracted to the positively charged sodium ions.
* Hydration: This attraction breaks the ionic bonds holding the salt together, and the individual ions become surrounded by water molecules. This process, called hydration, effectively dissolves the salt.
So, water's polarity allows it to form strong attractions with the charged ions in table salt, breaking them apart and dissolving the salt.
