Molar Mass of F2 (Fluorine)

Molar Mass Calculator

What is the molar mass of F₂?

Answer

M(F₂) =

37.996 g/mol

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

One F atom: M(F) = 18.998 g/mol; F₂ is two atoms.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Ffluorine	2	18.998	37.996 w = 100.00%	100.00%

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

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Molar Mass of F (Fluorine): Step by Step

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Molar masses of substances nearby

Formula	M, g/mol
HCl (hydrogen chloride)	36.46
NH₄F (ammonium fluoride)	37.037
NaBH₄ (sodium borohydride)	37.83
F₂ (fluorine)	37.996
K (potassium)	39.098
Ar (argon)	39.95
NaOH (sodium hydroxide)	39.997

FAQ

What is the molar mass of F2?

M(F₂) = 37.996 g/mol

How to calculate the molar mass of F₂?

Add up the atomic weights of all the atoms in the formula: 2 × 18.998 = 37.996 g/mol.

How many grams are in 2 moles of F₂?

m = n × M = 2 mol × 37.996 g/mol = 75.992 g.

See Also