Molar Mass of LiF (Lithium Fluoride)

Molar Mass Calculator

What is the molar mass of LiF?

Answer

M(LiF) ≈

25.94 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Li: 6.94.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Lilithium	1	6.94	6.94 w ≈ 26.76%	≈ 26.76%
Ffluorine	1	18.998	18.998 w ≈ 73.24%	≈ 73.24%
Σ = 25.938 ≈ 25.94 g/mol w = 100%				100%

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

Mass fractions of the elements

F 73.24%

Li 26.76%

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Molar masses of substances nearby

Formula	M, g/mol
Mg (magnesium)	24.305
BN (boron nitride)	24.82
BeO (beryllium oxide)	25.011
LiF (lithium fluoride)	25.94
C₂H₂ (acetylene)	26.038
Al (aluminium)	26.982
CHN (hydrogen cyanide)	27.026

FAQ

What is the molar mass of LiF?

M(LiF) ≈ 25.94 g/mol

How to calculate the molar mass of LiF?

Add up the atomic weights of all the atoms in the formula: 6.94 + 18.998 = 25.938 ≈ 25.94 g/mol.

How many grams are in 2 moles of LiF?

m = n × M = 2 mol × 25.94 g/mol = 51.88 g.

See Also