Number density via volumetric density and molar mass¶
Number density, or number of molecules per unit volume, can be expressed using the volumetric density, or mass per unit volume, and molar mass, or mass per unit amount of substance.
Notation:
\(N_\text{A}\) (
N_A
) isavogadro_constant
.
Links:
- number_density¶
Number density, or number of molecules per unit volume.
- Symbol:
n
- volumetric_density¶
Volumetric density, or mass per unit volume.
- Symbol:
rho
- Latex:
\(\rho\)
- molar_mass¶
Molar mass, or mass per unit amount of substance.
- Symbol:
M
- law¶
n = rho * N_A / M
- Latex:
- \[n = \frac{\rho N_\text{A}}{M}\]