trans-4-Hydroxycrotonic Acid (C4H6O3) Molecular Weight Calculation

The molecular weight of trans-4-Hydroxycrotonic acid (C4H6O3) is 102.089.

trans-4-Hydroxycrotonic Acid (C4H6O3) Molecular Weight CalculationTo calculate molecular weight of any compound, the first step is to know the constituent atoms and their number in that particular compound. Then calculate the total weight of each atom by multiplying its atomic weight by its number. The sum of total weight of all constituent atoms will be the molecular weight of the compound. Note that the value of atomic weight may differ slightly from different sources.

CALCULATION PROCEDURE: trans-4-Hydroxycrotonic acid (C4H6O3) Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a trans-4-Hydroxycrotonic acid molecule.
From the chemical formula, you will know different atoms and their number in a trans-4-Hydroxycrotonic acid molecule. Chemical formula of trans-4-Hydroxycrotonic acid is C4H6O3. From the chemical formula of trans-4-Hydroxycrotonic acid, you can find that one molecule of trans-4-Hydroxycrotonic acid has four Carbon (C) atoms, six Hydrogen (H) atoms and three Oxygen (O) atoms.

Step 2: Find out atomic weights of each atom (from 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 trans-4-Hydroxycrotonic acid molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in trans-4-Hydroxycrotonic acid: 4
Atomic weight of Carbon: 12.0107
Total weight of Carbon atoms in trans-4-Hydroxycrotonic acid: 12.0107 x 4 = 48.0428

Number of Hydrogen atoms in trans-4-Hydroxycrotonic acid: 6
Atomic weight of Hydrogen: 1.008
Total weight of Hydrogen atoms in trans-4-Hydroxycrotonic acid: 1.008 x 6 = 6.048

Number of Oxygen atoms in trans-4-Hydroxycrotonic acid: 3
Atomic weight of Oxygen: 15.9994
Total weight of Oxygen atoms in trans-4-Hydroxycrotonic acid: 15.9994 x 3 = 47.9982

Step 4: Calculate the molecular weight of trans-4-Hydroxycrotonic acid by adding up the total weight of all atoms.

Molecular weight of trans-4-Hydroxycrotonic acid: 48.0428 (Carbon) + 6.048 (Hydrogen) + 47.9982 (Oxygen) = 102.089

So the molecular weight of trans-4-Hydroxycrotonic acid is 102.089.

trans-4-Hydroxycrotonic acid (C4H6O3) Molecular Weight Calculation

Molecular weight of trans-4-Hydroxycrotonic acid
Constituent atoms
Number of each atom
Atomic weightTotal weight
Carbon (C)412.010748.0428
Hydrogen (H)
6
1.0086.048
Oxygen (O)
3
15.999447.9982
Molecular weight of trans-4-Hydroxycrotonic acid:
102.089

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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