Glutamic Acid [HOOCCH(NH2)(CH2)2COOH2] Molecular Weight Calculation

The molecular weight of Glutamic Acid [HOOCCH(NH2)(CH2)2COOH2] is 147.12984.

Glutamic Acid [HOOCCH(NH2)(CH2)2COOH2] Molecular Weight CalculationGlutamic Acid HOOCCH(NH2)(CH2)2COOH2 is an organic compound of four elements: Carbon, Hydrogen, Nitrogen, and Oxygen. The molecular weight of Glutamic acid is 147.12984 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Glutamic acid  [HOOCCH(NH2)(CH2)2COOH2] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Glutamic acid molecule.
From the chemical formula, you will know different atoms and their number in a Glutamic acid molecule. The chemical formula of Glutamic acid is HOOCCH(NH2)(CH2)2COOH2 (C5H9NO4). From the chemical formula of Glutamic acid, you can find that one molecule of Glutamic acid consists of five Carbon (C) atoms, nine Hydrogen (H) atoms, one Nitrogen (N) atom, and four Oxygen 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 Hydrogen (H): 1.008 (Ref: Lanl-1)

Atomic weight of Nitrogen (N): 14.00674 (Ref: Jlab-ele007)
Atomic weight of Oxygen (O): 15.9994 (Ref: Jlab-ele008)

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

Number of Carbon atoms in Glutamic Acid: 5
Atomic weight of Carbon (C): 12.0107
Total weight of Carbon atoms in Glutamic Acid: 12.0107 x 5 = 60.0535

Number of Hydrogen atoms in Glutamic Acid: 9
Atomic weight of Hydrogen (H): 1.008
Total weight of Hydrogen atoms in Glutamic Acid: 1.008 x 9 = 9.072

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

Number of Oxygen atoms in Glutamic Acid: 4
Atomic weight of Oxygen (O): 15.9994
Total weight of Oxygen atoms in Glutamic Acid: 15.9994 x 4 = 63.9976

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

Molecular weight of Glutamic Acid: 60.0535 (Carbon) + 9.072 (Hydrogen) + 14.00674 (Nitrogen) + 63.9976 (Oxygen) = 147.12984

So the molecular weight of Glutamic Acid is 147.12984.

Glutamic Acid [HOOCCH(NH2)(CH2)2COOH2] Molecular Weight Calculation

Molecular weight of Glutamic Acid [HOOCCH(NH2)(CH2)2COOH2]
Constituent atomsNumber of each atom
Atomic weight
Total weight
Carbon (C)
3
12.0107
60.0535
Hydrogen (H)
7
1.008
9.072
Nitrogen (N)114.0067414.00674
Oxygen (O)2
15.999463.9976
Molecular weight of Glutamic Acid [HOOCCH(NH2)(CH2)2COOH2]:
147.12984

REFERENCES:

  • Lanl-1: https://periodic.lanl.gov/1.shtml 
  • Jlab-ele006: https://education.jlab.org/itselemental/ele006.html 
  • Jlab-ele007: https://education.jlab.org/itselemental/ele007.html
  • Jlab-ele008: https://education.jlab.org/itselemental/ele008.html

See also:

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