# Benzophenone [(C6H5)2CO] Molecular Weight Calculation

The molecular weight of Benzophenone [(C6H5)2CO] is 182.2185. Benzophenone [(C6H5)2CO] is an organic compound of three elements: Carbon, Hydrogen, and Oxygen. The molecular weight of Benzophenone is 182.2185 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

# CALCULATION PROCEDURE: Benzophenone [(C6H5)2CO] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Benzophenone molecule.
You will know different atoms and their number in a Benzophenone molecule from the chemical formula. The chemical formula of Benzophenone is C13H10O1. From the chemical formula, you can find that one molecule of Benzophenone has thirteen Carbon (C) atoms, ten Hydrogen (H) atoms, and one Oxygen (O) atom.

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
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 present in a Benzophenone molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in Benzophenone: 13
Atomic weight of Carbon (C)
: 12.0107
Total weight of Carbon atoms in Benzophenone: 12.0107 x 13 = 156.1391

Number of Hydrogen atoms in Benzophenone: 10
Atomic weight of Hydrogen (H): 1.008
Total weight of Hydrogen atoms in Benzophenone: 1.008 x 10 = 10.08

Number of Oxygen atoms in Benzophenone: 1
Atomic weight of Oxygen (O): 15.9994
Total weight of Oxygen atoms in Benzophenone: 15.9994 x 1 = 15.9994

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

Molecular weight of Benzophenone: 156.1391 (Carbon) + 10.08 (Hydrogen) + 15.9994 (Oxygen) = 182.2185

So the molecular weight of Benzophenone is 182.2185.

Benzophenone [(C6H5)2CO] Molecular Weight Calculation

## REFERENCES:

• Lanl-1: https://periodic.lanl.gov/1.shtml
• Pubchem-Hydrogen : https://pubchem.ncbi.nlm.nih.gov/element/Hydrogen
• Jlab-ele006; https://education.jlab.org/itselemental/ele006.html
• Pubchem-6: https://pubchem.ncbi.nlm.nih.gov/element/6
• Jlab-ele008: https://education.jlab.org/itselemental/ele008.html
• Pubchem-8: https://pubchem.ncbi.nlm.nih.gov/element/8 