Diethyl Ether [(CH3CH2)2O] Molecular Weight Calculation

The molecular weight of Diethyl ether [C4H10O] is 74.1222.

Diethyl Ether [(CH3CH2)2O] 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: Diethyl ether [C4H10O] Molecular Weight Calculation

Step 1: Find out the chemical formula and determine constituent atoms and their number in a Diethyl ether molecule.
From the chemical formula, you will know different atoms and their number in a Diethyl ether molecule. Chemical formula of Diethyl ether is C4H10O. From the chemical formula of Diethyl ether, you can find that one molecule of Diethyl ether has four Carbon (C) atoms, ten Hydrogen (H) atoms and one Oxygen (O) atom.

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 Diethyl ether molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in Diethyl ether: 4
Atomic weight of Carbon: 12.0107
Total weight of Carbon atoms in Diethyl ether: 12.0107 x 4 = 48.0428

Number of Hydrogen atoms in Diethyl ether: 10
Atomic weight of Hydrogen: 1.008
Total weight of Hydrogen atoms in Diethyl ether: 1.008 x 10 = 10.08

Number of Oxygen atoms in Diethyl ether: 1
Atomic weight of Oxygen: 15.9994
Total weight of Oxygen atoms in Diethyl ether: 15.9994 x 1 = 15.9994

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

Molecular weight of Diethyl ether: 48.0428 (Carbon) + 10.08 (Hydrogen) + 15.9994 (Oxygen) = 74.1222

So the molecular weight of Diethyl ether is 74.1222.

Diethyl ether [C3H4O6] Molecular Weight Calculation

Molecular weight of Diethyl ether
Constituent atoms
Number of each atom
Atomic weightTotal weight
Carbon (C)412.010748.0428
Hydrogen (H)
10
1.00810.08
Oxygen (O)
1
15.999415.9994
Molecular weight of Diethyl ether:
74.1222

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

See also:

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