Molar Mass of CH3F (Fluoromethane)

Molar Mass Calculator

What is the molar mass of CH₃F?

Answer

M(CH₃F) =

34.033 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 ≈ 35.29%	≈ 35.29%
Hhydrogen	3	1.0080	3.0240 w ≈ 8.89%	≈ 8.89%
Ffluorine	1	18.998	18.998 w ≈ 55.82%	≈ 55.82%
Σ = 34.033 g/mol w = 100%				100%

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

Mass fractions of the elements

F 55.82%C 35.29%

H 8.89%

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Molar masses of substances nearby

Formula	M, g/mol
S (sulfur)	32.06
PH₃ (phosphine)	33.998
H₂O₂ (hydrogen peroxide)	34.014
CH₃F (fluoromethane)	34.033
H₂S (hydrogen sulfide)	34.08
NH₄OH	35.046
Cl (chlorine)	35.45

FAQ

What is the molar mass of CH3F?

M(CH₃F) = 34.033 g/mol

How to calculate the molar mass of CH₃F?

Add up the atomic weights of all the atoms in the formula: 12.011 + 3 × 1.0080 + 18.998 = 34.033 g/mol.

How many grams are in 2 moles of CH₃F?

m = n × M = 2 mol × 34.033 g/mol = 68.066 g.

See Also