A number of gram formula weight of solute dissolved per litre of the solution is called formality of solution. It is denoted by 'F'
is an established procedure or set of specific behaviors and utterances, conceptually similar to a ritual
although typically secular and less involved. A formality may be as simple as a handshake
upon making new acquaintances in Western culture to the carefully defined procedure of bows, handshakes, formal greetings, and business card
exchanges that may mark two businessmen being introduced in Japan. In legal and diplomatic circles, formalities include such matters as greeting an arriving head of state
with the appropriate national anthem