The molecular weight of Tetraarsenic tetrasulfide [As₄S₄] is 427.95038.

Tetraarsenic tetrasulfide [As₄S₄] is an inorganic compound of two elements: Arsenic (As) and Sulfur (S). The molecular weight of Tetraarsenic tetrasulfide is 427.95038 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Tetraarsenic tetrasulfide [As₄S₄] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Tetraarsenic tetrasulfide molecule.
From the chemical formula, you will know different atoms and their number in a Tetraarsenic tetrasulfide molecule. The chemical formula of Tetraarsenic tetrasulfide is As₄S₄. From the chemical formula, you can find that one molecule of Tetraarsenic tetrasulfide consists of four Arsenic (As) atoms and four Sulfur (S) 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 Sulfur (S): 32.066 (Ref: Jlab-ele016)

Step 3: Calculate the molecular weight of Tetraarsenic tetrasulfide by adding the total weight of all atoms.

Number of Arsenic (As) atoms in Tetraarsenic tetrasulfide: 4
Atomic weight of Arsenic: 74.921595
Total weight of Arsenic atoms in Tetraarsenic tetrasulfide: 74.921595 x 4 = 299.68638

Number of Sulfur (S) atoms in Tetraarsenic tetrasulfide: 4
Atomic weight of Sulfur: 32.066
Total weight of Sulfur atoms in Tetraarsenic tetrasulfide: 32.066 x 4 = 128.264

Step 4: Calculate the molecular weight of Tetraarsenic tetrasulfide by adding up the total weight of all atoms.

Molecular weight of Tetraarsenic tetrasulfide: 299.68638 (Arsenic) + 128.264 (Sulfur) = 427.95038

So the molecular weight of Tetraarsenic tetrasulfide is 427.95038.

Tetraarsenic tetrasulfide [As₄S₄] Molecular Weight Calculation

REFERENCES:

• Jlab-ele033: https://education.jlab.org/itselemental/ele033.html
• ciaaw-arsenic: https://www.ciaaw.org/arsenic.htm
• Jlab-ele016: https://education.jlab.org/itselemental/ele016.html
  

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