Molar Mass of KF (Potassium Fluoride)

Molar Mass Calculator

What is the molar mass of KF?

Answer

M(KF) =

58.096 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
Kpotassium	1	39.098	39.098 w ≈ 67.30%	≈ 67.30%
Ffluorine	1	18.998	18.998 w ≈ 32.70%	≈ 32.70%
Σ = 58.096 g/mol w = 100%				100%

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

Mass fractions of the elements

K 67.30%

F 32.70%

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Molar masses of substances nearby

Formula	M, g/mol
C₄H₈ (isobutylene)	56.108
MgS (magnesium sulfide)	56.37
C₃H₆O (acetone)	58.080
KF (potassium fluoride)	58.096
C₄H₁₀ (butane)	58.124
Mg(OH)₂ (magnesium hydroxide)	58.319
NaCl (sodium chloride)	58.44

FAQ

What is the molar mass of KF?

M(KF) = 58.096 g/mol

How to calculate the molar mass of KF?

Add up the atomic weights of all the atoms in the formula: 39.098 + 18.998 = 58.096 g/mol.

How many grams are in 2 moles of KF?

m = n × M = 2 mol × 58.096 g/mol = 116.192 g.

See Also