Molar Mass of N2 (Nitrogen)

Molar Mass Calculator

What is the molar mass of N₂?

Answer

M(N₂) =

28.014 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

One N atom: M(N) = 14.007 g/mol; N₂ is two atoms.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Nnitrogen	2	14.007	28.014 w = 100.00%	100.00%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

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Molar Mass of N (Nitrogen): Step by Step

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Molar masses of substances nearby

Formula	M, g/mol
Al (aluminium)	26.982
CHN (hydrogen cyanide)	27.026
CO (carbon monoxide)	28.010
N₂ (nitrogen)	28.014
C₂H₄ (ethylene)	28.054
Si (silicon)	28.085
Li₂O (lithium oxide)	29.88

FAQ

What is the molar mass of N2?

M(N₂) = 28.014 g/mol

How to calculate the molar mass of N₂?

Add up the atomic weights of all the atoms in the formula: 2 × 14.007 = 28.014 g/mol.

How many grams are in 2 moles of N₂?

m = n × M = 2 mol × 28.014 g/mol = 56.028 g.

See Also