<P> A common rearrangement of this equation is by letting R represent the proportionality constant, and rearranging as follows: </P> <Dl> <Dd> P V = n R T (\ displaystyle PV = nRT) </Dd> </Dl> <Dd> P V = n R T (\ displaystyle PV = nRT) </Dd> <P> This equation is known as the ideal gas law . </P>

According to avogadro’s law how many molecules of any gas at stp are present in a volume of 22.41 l