# Roxarsone [C6AsNH6O6] Molecular Weight Calculation

The molecular weight of Roxarsone [C6AsNH6O6] is 263.036935.

Roxarsone [C6AsNH6O6] is an organic compound of five elements: Carbon (C), Arsenic (As), Nitrogen (N), Hydrogen (H), and Oxygen (O). The molecular weight of Roxarsone is 263.036935 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of  Carbon, Arsenic, Nitrogen, Hydrogen, and Oxygen.

# CALCULATION PROCEDURE: Roxarsone [C6AsNH6O6] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Roxarsone molecule.
You will know different atoms and their number in a Roxarsone molecule from the chemical formula. The chemical formula of Roxarsone is [C6AsNH6O6]. From the chemical formula, you can find that one molecule of Roxarsone has six Carbon (C) atoms, one Arsenic (As) atom, one Nitrogen (N) atom, six Hydrogen (H) atoms, and six Oxygen (O) atoms.

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

Atomic weight of Carbon (C): 12.0107 (Ref: Jlab-ele006)
Atomic weight of Arsenic (As): 74.921595 (Ref: Jlab-ele033, ciaaw-arsenic)
Atomic weight of Nitrogen (N): 14.00674 (Ref: Jlab-ele007)
Atomic weight of
Hydrogen (H): 1.008 (Ref: Lanl-1)
Atomic weight of Oxygen (O): 15.9994 (Ref: Jlab-ele008)

Step 3: Calculate the total weight of each atom in a Roxarsone molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in Roxarsone: 6
Atomic weight of
Carbon (C): 12.0107
Total weight of Carbon atoms in Roxarsone: 12.0107 x 6 = 72.0642

Number of Arsenic atoms in Roxarsone: 1
Atomic weight of Arsenic (As): 74.921595
Total weight of Arsenic atoms in Roxarsone: 74.921595 x 1 = 74.921595

Number of Nitrogen atoms in Roxarsone: 1
Atomic weight of Nitrogen (N): 14.00674
Total weight of Arsenic atoms in Roxarsone: 14.00674 x 1 = 14.00674

Number of Hydrogen atoms in Roxarsone: 6
Atomic weight of Hydrogen (H): 1.008
Total weight of Hydrogen atoms in Roxarsone: 1.008 x 6 = 6.048

Number of Oxygen atoms in Roxarsone: 6
Atomic weight of Oxygen (O): 15.9994
Total weight of Oxygen atoms in Roxarsone: 15.9994 x 6 = 95.9964

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

Molecular weight of Roxarsone: 72.0642 (Carbon) + 74.921595 (Arsenic) + 14.00674 (Nitrogen) + 6.048 (Hydrogen) + 95.9964 (Oxygen) = 263.036935

So the molecular weight of Roxarsone is 263.036935.

Roxarsone [C6AsNH6O6] Molecular Weight Calculation

## REFERENCES:

• Lanl-1: https://periodic.lanl.gov/1.shtml
• Jlab-ele006; https://education.jlab.org/itselemental/ele006.html
• Jlab-ele008: https://education.jlab.org/itselemental/ele008.html
• Jlab-ele033: https://education.jlab.org/itselemental/ele033.html
• https://www.ciaaw.org/arsenic.htm
• Jlab-ele007: https://education.jlab.org/itselemental/ele007.html

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