Benzyl Alcohol [C6H5CH2OH] Molecular Weight Calculation

The molecular weight of Benzyl alcohol [C6H5CH2OH] is 108.1383.

Benzyl Alcohol [C6H5CH2OH] Molecular Weight CalculationBenzyl alcohol [C6H5CH2OH] is an organic compound of three elements: Carbon, Hydrogen, and Oxygen. The molecular weight of Benzyl alcohol is 108.1383 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Benzyl alcohol [C6H5CH2OH] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Benzyl alcohol molecule.
You will know different atoms and their number in a Benzyl alcohol molecule from the chemical formula. The chemical formula of Benzyl alcohol is C7H8O1. From the chemical formula, you can find that one molecule of Benzyl alcohol has seven Carbon (C) atoms, eight 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 Benzyl alcohol molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in Benzyl alcohol: 7
Atomic weight of Carbon (C)
: 12.0107
Total weight of Carbon atoms in Benzyl alcohol: 12.0107 x 7 = 84.0749

Number of Hydrogen atoms in Benzyl alcohol: 8
Atomic weight of Hydrogen (H): 1.008
Total weight of Hydrogen atoms in Benzyl alcohol: 1.008 x 8 = 8.064

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

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

Molecular weight of Benzyl alcohol: 84.0749 (Carbon) + 8.064 (Hydrogen) + 15.9994 (Oxygen) = 108.1383

So the molecular weight of Benzyl alcohol is 108.1383.

Benzyl alcohol [C6H5CH2OH] Molecular Weight Calculation

Molecular weight of Benzyl alcohol [C6H5CH2OH]
Constituent atoms
Number of each atom
Atomic weightTotal weight
Carbon (C)712.010784.0749
Hydrogen (H)
8
1.0088.064
Oxygen (O)
1
15.999415.9994
Molecular weight of Benzyl alcohol [C6H5CH2OH]:
108.1383

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

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