Hydrogen Fluoride (HF) Molecular Weight Calculation

The molecular weight of Hydrogen fluoride (HF) is 20.006403163.

Hydrogen fluoride Molecular Weight CalculationHydrogen fluoride (HF) is an inorganic compound of two elements: Hydrogen, and Fluorine. The molecular weight of Hydrogen fluoride is 20.006403163 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Hydrogen Fluoride (HF) Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a hydrogen fluoride molecule.
Hydrogen ChlorideYou will know different atoms and their number in a Hydrogen fluoride molecule from the chemical formula. The chemical formula of Hydrogen fluoride is HF. From the chemical formula, you can find that one molecule of Hydrogen fluoride has one Hydrogen (H) atom and one Fluorine (F) atom.

Step 2: Find out the atomic weights of each atom (from the periodic table). 

Atomic weight of hydrogen (H): 1.008  (Ref: Lanl-1, Pubchem-Hydrogen)
Atomic weight of fluorine (F): 18.998403163 (Ref: Pubchem-9, Ciaaw-fluorine)

Step 3: Calculate the molecular weight of Hydrogen fluoride by adding the total weight of all atoms.

Number of Hydrogen (H) atoms in Hydrogen fluoride: 1
Atomic weight of Hydrogen: 1.008
Total weight of hydrogen atoms in Hydrogen fluoride: 1.008

Number of Fluorine (F) atoms in Hydrogen fluoride: 1
Atomic weight of Fluorine: 18.998403163
Total weight of Fluorine atoms in Hydrogen fluoride: 18.998403163

Step 4: Calculate the molecular weight of Hydrogen fluoride by adding the total atomic weight of all atoms. 

Molecular weight of Hydrogen fluoride (HF): 1.008 (Hydrogen) + 18.998403163 (Fluorine)

So the molecular weight of Hydrogen fluoride is 20.006403163.

Hydrogen Fluoride (HF) Molecular Weight Calculation

Molecular weight of Hydrogen fluoride (HF)
Constituent atomsNumber of each atomAtomic weight
Total weight
H (Hydrogen)11.0081.008
F (Fluorine)118.99840316318.998403163
Molecular weight of Hydrogen fluoride (HF): 20.006403163

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