<Dl> <Dd> (Li (H O)) ⇌ (Li (H O)) + H O </Dd> </Dl> <Dd> (Li (H O)) ⇌ (Li (H O)) + H O </Dd> <P> Another possibility is that there is interaction between a solvated cation and an anion, forming an ion pair . This is particularly relevant when measurements are made on concentrated salt solutions . For example, a solvation number of 3 for a lithium chloride solution could be interpreted as being due to the equilibrium </P> <Dl> <Dd> (Li (H O)) + Cl ⇌ (Li (H O) Cl) + H O </Dd> </Dl>

In an aqueous solution of an ionic salt the oxygen