# Americium(III) Chloride [AmCl3] Molecular Weight Calculation

The molecular weight of Americium(III) chloride [AmCl3] is 349.3581.

Americium(III) chloride [AmCl3] is an inorganic compound of two elements: Americium and Chlorine. The molecular weight of Americium(III) chloride is 349.3581 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

# CALCULATION PROCEDURE: Americium(III) Chloride [AmCl3] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in an Americium(III) chloride molecule.
From the chemical formula, you will know different atoms and their number in an Americium(III) chloride molecule. The chemical formula of Americium(III) chloride is AmCl3. From the chemical formula, you can find that one molecule of Americium(III) chloride consists of one Americium (Am) atom and three Chlorine (Cl) atoms.

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

Atomic weight of Americium (Am): 243 (Ref: Jlab-ele095, Lanl-95)
Atomic weight of Chlorine (Cl): 35.4527 (Ref: Jlab-ele017)

Step 3: Calculate the molecular weight of Americium(III) chloride by adding the total weight of all atoms.

Number of Americium atoms in Americium(III) chloride: 1
Atomic weight of Americium: 243
Total weight of Americium atoms in Americium(III) chloride: 243 x 1 = 243

Number of Chlorine (Cl) atoms in Americium(III) chloride: 3
Atomic weight of Chlorine: 35.4527
Total weight of Chlorine atoms in Americium(III) chloride: 35.4527 x 3 = 106.3581

Step 4: Calculate the molecular weight of Americium(III) chloride by adding up the total weight of all atoms.

Molecular weight of Americium(III) chloride: 243 (Americium) + 106.3581 (Chlorine) = 349.3581

So the molecular weight of Americium(III) chloride is 349.3581.

Americium(III) Chloride [AmCl3] Molecular Weight Calculation

## REFERENCES:

• Jlab-ele095: https://education.jlab.org/itselemental/ele095.html
• Lanl-95: https://periodic.lanl.gov/95.shtml
• Jlab-ele017: https://education.jlab.org/itselemental/ele017.html

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