V=kn is an expression of Avogadro's law where temperature and pressure are constant.
What is Avogadro's law?
Avogadro's law is a gas law which states that the total number of atoms or molecules has a direct proportion to the volume occupied by a gas at a constant temperature and pressure.
It is closely related to ideal gas equation as it links temperature, pressure, volume and the amount of substance.It is given as, V∝n,
The straight line graph of volume versus moles is a straight line passing through the origin which implies that zero moles of gas occupy zero volume.The empirical relation of Avogadro's law is derived from the kinetic theory of gases by taking into consideration the assumptions of an ideal gas.
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