Molar mass (Given vapor density, temperature and pressure)
Formula
M
molar mass
rho
vapor density
R
gas constant, R=8.3144621(75)
T
temperature
p
pressure
Formula description
Molar mass is the mass (in atomic mass units) of one mole of a substance. The molecular weight of a molecule is the total number of protons and neutrons in all the atoms in that molecule.