Why pH sodium chloride 7?

Sodium chloride (NaCl) is a neutral salt formed from the reaction of a strong acid (hydrochloric acid) and a strong base (sodium hydroxide), which results in a solution that has a pH around 7. When dissolved in water, NaCl dissociates into sodium (Na⁺) and chloride (Cl⁻) ions, neither of which affects the acidity or basicity of the solution. Therefore, a solution of sodium chloride in pure water remains neutral, maintaining a pH of approximately 7.