Molar Mass of CH5N (Methylamine)

Molar Mass Calculator

What is the molar mass of CH₅N?

Answer

M(CH₅N) =

31.058 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
Ccarbon	1	12.011	12.011 w ≈ 38.67%	≈ 38.67%
Hhydrogen	5	1.0080	5.0400 w ≈ 16.23%	≈ 16.23%
Nnitrogen	1	14.007	14.007 w ≈ 45.10%	≈ 45.10%
Σ = 31.058 g/mol w = 100%				100%

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

Mass fractions of the elements

N 45.10%C 38.67%

H 16.23%

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Molar masses of substances nearby

Formula	M, g/mol
CH₂O (formaldehyde)	30.026
C₂H₆ (ethane)	30.070
P (phosphorus)	30.974
CH₅N (methylamine)	31.058
O₂ (oxygen)	31.998
CH₃OH (methanol)	32.042
N₂H₄ (hydrazine)	32.046

FAQ

What is the molar mass of CH5N?

M(CH₅N) = 31.058 g/mol

How to calculate the molar mass of CH₅N?

Add up the atomic weights of all the atoms in the formula: 12.011 + 5 × 1.0080 + 14.007 = 31.058 g/mol.

How many grams are in 2 moles of CH₅N?

m = n × M = 2 mol × 31.058 g/mol = 62.116 g.

See Also