Acetamide [C2H5NO] Molecular Weight Calculation

The molecular weight of Acetamide (C2H5NO) is 59.06754.

Acetamide [C2H5NO] Molecular Weight CalculationAcetamide (C2H5NO) is an organic compound of four elements: Carbon, Hydrogen, Nitrogen, and Oxygen. The molecular weight of Acetamide is 59.06754 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

CALCULATION PROCEDURE: Acetamide [C2H5NO] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in an Acetamide molecule.
You will know different atoms and their number in an Acetamide molecule from the chemical formula. The chemical formula of Acetamide is C2H5NO. From the chemical formula, you can find that one molecule of Acetamide consists of two Carbon (C) atoms, five Hydrogen (H) atoms, one Nitrogen (N) atom, 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 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 an Acetamide molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in Acetamide: 2
Atomic weight of Carbon (C): 12.0107
Total weight of Carbon atoms in Acetamide: 12.0107 x 2 = 24.0214

Number of Hydrogen atoms in Acetamide: 5
Atomic weight of Hydrogen (H): 1.008
Total weight of Hydrogen atoms in Acetamide: 1.008 x 5 = 5.04

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

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

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

Molecular weight of Acetamide: 24.0214 (Carbon) + 5.04 (Hydrogen) + 14.00674 (Nitrogen) + 15.9994 (Oxygen) = 59.06754

So the molecular weight of Acetamide is 59.06754.

Acetamide [C2H5NO] Molecular Weight Calculation

Molecular weight of Acetamide [C2H5NO]
Constituent atomsNumber of each atom
Atomic weight
Total weight
Carbon (C)
2
12.0107
24.0214
Hydrogen (H)
5
1.008
5.04
Nitrogen (N)114.0067414.00674
Oxygen (O)1
15.999415.9994
Molecular weight of Acetamide [C2H5NO]:
59.06754

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
  • Pubchem-Chlorine: https://pubchem.ncbi.nlm.nih.gov/element/Chlorine

See also:

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