Ideal Gas Law Equation

PV = nRT

R = ideal gas constant which varies based on different units. If we were dealing with a real gas we would need to use a specific gas constant.

M = Molar mass

m = sample mass

Density = mass/Volume

mass = moles x molar mass

The ideal gas law only works on imaginary perfect gases without volume or attractive/repulsive forces. We can use correction values to account for real behaviors of gases.