An ideal gas occupies a volume V at temperature T and pressure P. The mass of each molecule is m. Then the number of molecules in the sample is?

Question

(A) $\large\frac{PV}{m}$ (B) $\large\frac{m}{PV}$ (C) $\large\frac{k}{PVT} $ (D) $\large\frac{PV}{kT} $