What is the neutral pH of pure water?

The neutral pH of pure water is 7. This value indicates that the concentration of hydrogen ions (H⁺) and hydroxide ions (OH⁻) in the water is equal, creating a balanced state that is neither acidic nor basic. In practical terms, a pH of 7 serves as the midpoint on the pH scale, which ranges from 0 (very acidic) to 14 (very basic).

Understanding the significance of a neutral pH is essential in various fields, especially in water treatment and environmental science, where maintaining water quality is vital. In water quality management, deviations from a pH of 7 can indicate contamination or chemical imbalance, affecting aquatic life and drinking water safety.