Molar Mass of N2O (Nitrous Oxide)

Molar Mass Calculator

What is the molar mass of N₂O?

Answer

M(N₂O) =

44.013 g/mol

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

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 ≈ 63.65%	≈ 63.65%
Ooxygen	1	15.999	15.999 w ≈ 36.35%	≈ 36.35%
Σ = 44.013 g/mol w = 100%				100%

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

Mass fractions of the elements

N 63.65%O 36.35%

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Molar masses of substances nearby

Formula	M, g/mol
LiCl (lithium chloride)	42.39
HN₃ (hydrogen azide)	43.029
CO₂ (carbon dioxide)	44.009
N₂O (nitrous oxide)	44.013
CH₃COH (acetaldehyde)	44.053
C₃H₈ (propane)	44.097
Sc (scandium)	44.956

FAQ

What is the molar mass of N2O?

M(N₂O) = 44.013 g/mol

How to calculate the molar mass of N₂O?

Add up the atomic weights of all the atoms in the formula: 2 × 14.007 + 15.999 = 44.013 g/mol.

How many grams are in 2 moles of N₂O?

m = n × M = 2 mol × 44.013 g/mol = 88.026 g.

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