The molecular weight of Arsenic pentafluoride [AsF₅] is 169.913610815.

Arsenic pentafluoride [AsF₅] is an inorganic compound of two elements: Arsenic and Fluorine. The molecular weight of Arsenic pentafluoride is 169.913610815 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Arsenic pentafluoride [AsF₅] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in an Arsenic pentafluoride molecule.
From the chemical formula, you will know different atoms and their number in an Arsenic pentafluoride molecule. The chemical formula of Arsenic pentafluoride is AsF₅. From the chemical formula, you can find that one molecule of Arsenic pentafluoride consists of one Arsenic (As) atom and five Fluorine (F) atoms.

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

Atomic weight of Arsenic (As): 74.921595 (Ref: Jlab-ele033, ciaaw-arsenic)
Atomic weight of Fluorine (F): 18.998403163 (Ref: Pubchem-9, Ciaaw-fluorine)

Step 3: Calculate the molecular weight of Arsenic pentafluoride by adding the total weight of all atoms.

Number of Arsenic atoms in Arsenic pentafluoride: 1
Atomic weight of Arsenic: 74.921595
Total weight of Arsenic atoms in Arsenic pentafluoride: 74.921595 x 1 = 74.921595

Number of Fluorine (F) atoms in Arsenic pentafluoride: 5
Atomic weight of Fluorine: 18.99840316
Total weight of Fluorine atoms in Arsenic pentafluoride: 18.99840316 x 5 = 94.99201582

Step 4: Calculate the molecular weight of Arsenic pentafluoride by adding up the total weight of all atoms.

Molecular weight of Arsenic pentafluoride: 74.921595 (Arsenic) + 94.99201582 (Fluorine) = 169.913610815

So the molecular weight of Arsenic pentafluoride is 169.913610815.

Arsenic pentafluoride [AsF₅] Molecular Weight Calculation

REFERENCES:

• Jlab-ele033: https://education.jlab.org/itselemental/ele033.html
• ciaaw-arsenic: https://www.ciaaw.org/arsenic.htm
• Pubchem-9: https://www.ciaaw.org/fluorine.htm
• Ciaaw-fluorine: https://pubchem.ncbi.nlm.nih.gov/element/9
  

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