What is the pH value of Ammonia?

The pH value of ammonia is typically around 11.6 when in an aqueous solution. This value indicates that ammonia is a basic substance, meaning it has a higher concentration of hydroxide ions (OH-) compared to hydrogen ions (H+). Ammonia is a weak base that can partially dissociate in water, contributing to an alkaline solution.

In industrial applications, understanding the pH is crucial as it can affect the efficiency of refrigeration systems and the behavior of ammonia in the system. Maintaining the appropriate pH is also important for safety, as ammonia can be hazardous at high concentrations.

In contrast, values like 3.7, 7.0, and 5.2 indicate acidic or neutral solutions and do not accurately represent ammonia's properties in solution. A pH of 3.7, for instance, describes a weak acid, while 7.0 is neutral, and 5.2 suggests a mildly acidic condition. Thus, these values do not correlate with ammonia's chemical characteristics in water.