EQUIVALENT WEIGHT CONCEPTS

                   

                         EQUIVALENT CONCEPTS

       Classical Concept of Equivalent weight/ Mass, Equivalent weight, n-factor and Normality for             Acid, Base and Precipitate.

               

CLASSICAL CONCEPT OF EQUIVALENT WEIGHT/MASS :

   

        Number of parts by mass of an element which reacts or displaces from a compound 1.008 parts by mass of hydrogen, 8 parts by mass of oxygen and 35.5 parts by mass of chlorine, is known as the equivalent weight of that element e.g. 

As we can see from the above examples that equivalent weight is the ratio of atomic weight and a factor (say n-factor or  valency factor) which is in above three cases is their respective valencies.