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(A) The ideal gas equation is given by $PV = NkT$,where $P$ is pressure,$V$ is volume,$N$ is the total number of molecules,$k$ is the Boltzmann consta

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$6.02 	imes 10^{23}$

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(A) The ideal gas equation is given by $PV = NkT$,where $P$ is pressure,$V$ is volume,$N$ is the total number of molecules,$k$ is the Boltzmann constant,and $T$ is the absolute temperature.We need to find the number of molecules per unit volume,which is defined as $n = \frac{N}{V}$.From the ideal gas equation,we can write $n = \frac{N}{V} = \frac{P}{kT}$.Given the pressure $P = (6.02 	imes 10^{23})kT$.Substituting this value of $P$ into the expression for $n$:$n = \frac{(6.02 	imes 10^{23})kT}{kT} = 6.02 	imes 10^{23}$.Thus,the number of molecules per unit volume is $6.02 	imes 10^{23}$.

$A$ gas is filled in a vessel at a pressure given by $P = (6.02 \times 10^{23})kT$,where $k$ is the Boltzmann constant and $T$ is the absolute temperature. The number of molecules per unit volume of the gas is:

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