An ideal gas equation can be written as $p = \frac{\rho RT}{M_0}$ where, $\rho$ and M₀ are respectively, [NEET 2020]

Ideal gas equation is given as

                          $p=\frac{\rho RT}{M_0}\Rightarrow p·\frac{M_0}{\rho }=RT$

$\Rightarrow$                  pV = RT                                              $\left(\because \mathrm{V} = \frac{{\mathrm{M}}_0}{\mathrm{\rho }}\right)$

Here, $\rho$ and M₀ are mass density and molar mass of the gas, respectively.