PV=nRT
Here
P=Pressure
V=Volume
n=Molarity
R=universal gas constant
T=Temperature.
LHS
[tex]\\ \tt\bull\leadsto PV[/tex]
[tex]\\ \tt\bull\leadsto [ML^2T^{-2}][M^0L^3T^0][/tex]
[tex]\\ \tt\bull\leadsto [ML^5T^{-2}][/tex]
RHS
[tex]\\ \tt\bull\leadsto nRT[/tex]
[tex]\\ \tt\bull\leadsto [M^0L^{3}T^0][M^1 L^2 T^{-2}K^{-1}][M^0L^0T^0K^1][/tex]
[tex]\\ \tt\bull\leadsto [ML^5T^{-2}][/tex]
LHS=RHS
hence verified