Synonym: Molar Mass = Molecular Weight
Material property defined as the mass of a given substance (chemical element or chemical compound) contained within one mole of the substance.
It measures as ratio of substance mass m to amount of substance \nu:
M = \frac{m}{\nu} |
It relates to molecular mass
m_u and Avogadro constant
N_A as:
M = m_u \cdot N_A |
The molar mass of a mixture is:
M = \sum_k M_k \cdot x_k |
where
M_k | molar mass of the k-th mixture component |
x_k | mole fraction of the k-th mixture component |
See also
Natural Science / Physics / Molecular Physics