Molar Mass of N2H4 (Hydrazine)

Molar Mass Calculator

What is the molar mass of N₂H₄?

Answer

M(N₂H₄) =

32.046 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 ≈ 87.42%	≈ 87.42%
Hhydrogen	4	1.0080	4.0320 w ≈ 12.58%	≈ 12.58%
Σ = 32.046 g/mol w = 100%				100%

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

Mass fractions of the elements

N 87.42%

H 12.58%

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Molar masses of substances nearby

Formula	M, g/mol
CH₅N (methylamine)	31.058
O₂ (oxygen)	31.998
CH₃OH (methanol)	32.042
N₂H₄ (hydrazine)	32.046
S (sulfur)	32.06
PH₃ (phosphine)	33.998
H₂O₂ (hydrogen peroxide)	34.014

FAQ

What is the molar mass of N2H4?

M(N₂H₄) = 32.046 g/mol

How to calculate the molar mass of N₂H₄?

Add up the atomic weights of all the atoms in the formula: 2 × 14.007 + 4 × 1.0080 = 32.046 g/mol.

How many grams are in 2 moles of N₂H₄?

m = n × M = 2 mol × 32.046 g/mol = 64.092 g.

See Also