Uses of Normality
- It is used in acid-base chemistry to determine concentrations. For example, the presence of compound ions such as hydronium ions (H3O+) or hydroxide ions (OH–) in a solution is clearly the result of normality.
- The number of chemical ions that are likely to precipitate in a particular reaction is determined in precipitation reactions using normality. In both acid-base and precipitation chemical reactions, 1/feq is an integer number.
- To determine how many electrons a reducing or oxidizing chemical may accept or donate, it is used in redox processes. A fraction could be represented as 1/feq in redox reactions.
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Normality – Definition, Formula, Equations and Solved Examples
The normality formula is used to measure the concentration of a solution like molarity and molality. Normality is a measure of the number of grams equivalent to solute present given volume of the solution. Redox reactions, precipitation reactions, and acid-base chemical reactions all often make use of normality. It depends on the temperature and the chemical reaction being observed.
The term “equivalent concentration” describes how reactive a solution is. This is frequently used in redox reactions and acid-base reactions. In physical chemistry, one of the important terms used is the normality formula.