Molar Mass of NaN3 (Sodium Azide)

Molar Mass Calculator

What is the molar mass of NaN₃?

Answer

M(NaN₃) =

65.011 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
Nasodium	1	22.990	22.990 w ≈ 35.36%	≈ 35.36%
Nnitrogen	3	14.007	42.021 w ≈ 64.64%	≈ 64.64%
Σ = 65.011 g/mol w = 100%				100%

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

Mass fractions of the elements

N 64.64%Na 35.36%

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Molar masses of substances nearby

Formula	M, g/mol
SO₂ (sulfur dioxide)	64.06
CaC₂ (calcium carbide)	64.100
C₂H₅Cl (chloroethane)	64.51
NaN₃ (sodium azide)	65.011
KCN (potassium cyanide)	65.116
Zn (zinc)	65.38
HCOONa (sodium formate)	68.007

FAQ

What is the molar mass of NaN3?

M(NaN₃) = 65.011 g/mol

How to calculate the molar mass of NaN₃?

Add up the atomic weights of all the atoms in the formula: 22.990 + 3 × 14.007 = 65.011 g/mol.

How many grams are in 2 moles of NaN₃?

m = n × M = 2 mol × 65.011 g/mol = 130.022 g.

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