Molar mass of HF

Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of HF is 20.006343 ± 0.000070 g/mol

Compound name is hydrogen fluoride

Convert between HF weight and moles

Compound	Moles		Weight, g
HF

Elemental composition of HF

Element	Symbol	Atomic weight	Atoms	Mass percent
Hydrogen	H	1.00794	1	5.0381
Fluorine	F	18.9984032	1	94.9619

Mass percent composition	Atomic percent composition

Sample reactions for HF

Equation	Reaction type
SiO₂ + HF = SiF₄ + H₂O	double replacement
Hf + N₂ = Hf₃N₄	synthesis
UO₂ + HF = UF₄ + H₂O	double replacement
B₂O₃ + HF = BF₃ + H₂O	double replacement
Eu + HF = EuF₃ + H₂	single replacement

Formula in Hill system is FH

Computing molar mass (molar weight)

To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use:

Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.
Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
parantesis () or brackets [].
Common compound names.

Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose.

Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa.

Computing molecular weight (molecular mass)

To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets.
Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2.

Definitions of molecular mass, molecular weight, molar mass and molar weight

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Weights of atoms and isotopes are from NIST article.

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Related: Molecular weights of amino acids

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