Molar Mass of CH3CH2OCH2CH3 (Diethyl Ether)

Molar Mass Calculator

What is the molar mass of CH₃CH₂OCH₂CH₃?

Answer

M(CH₃CH₂OCH₂CH₃) =

74.123 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Ccarbon	4	12.011	48.044 w ≈ 64.82%	≈ 64.82%
Hhydrogen	10	1.0080	10.0800 w ≈ 13.60%	≈ 13.60%
Ooxygen	1	15.999	15.999 w ≈ 21.58%	≈ 21.58%
Σ = 74.123 g/mol w = 100%				100%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

C 64.82%

O 21.58%H 13.60%

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Molar masses of substances nearby

Formula	M, g/mol
Li₂CO₃ (lithium carbonate)	73.89
C₃H₆O₂ (propionic acid)	74.079
Ca(OH)₂ (calcium hydroxide)	74.092
CH₃CH₂OCH₂CH₃ (diethyl ether)	74.123
NaOCl (sodium hypochlorite)	74.44
KCl (potassium chloride)	74.55
NiO (nickel(II) oxide)	74.692

FAQ

What is the molar mass of CH3CH2OCH2CH3?

M(CH₃CH₂OCH₂CH₃) = 74.123 g/mol

How to calculate the molar mass of CH₃CH₂OCH₂CH₃?

Add up the atomic weights of all the atoms in the formula: 4 × 12.011 + 10 × 1.0080 + 15.999 = 74.123 g/mol.

How many grams are in 2 moles of CH₃CH₂OCH₂CH₃?

m = n × M = 2 mol × 74.123 g/mol = 148.246 g.

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