Ionic strength

Ionic strength is a measure of the concentration of ions in a solution. It reflects how many charged particles—like sodium, chloride, or potassium ions—are present. Higher ionic strength means a greater number of ions, which can affect how substances behave in the solution, such as their solubility and how they interact with each other. This concept is important in fields like chemistry, biology, and environmental science because it helps explain processes such as how salt affects water's properties or how cells function. Understanding ionic strength is crucial for studying reactions and behaviors in liquids.