Molar Mass of C4H8O (Butanone)

Molar Mass Calculator
Chemical formula Write symbols with a capital letter: CoCl2 is cobalt chloride, COCl2 is phosgene. A hydrate takes a dot: CuSO4·5H2O or CuSO4.5H2O

What is the molar mass of C4H8O?

Answer

M(C4H8O) =
72.107 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
Ccarbon412.01148.044 w ≈ 66.63%
Hhydrogen81.00808.0640 w ≈ 11.18%
Ooxygen115.99915.999 w ≈ 22.19%
Σ = 72.107 g/mol w = 100%

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

Mass fractions of the elements

O 22.19%H 11.18%

Related Calculations

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Recalculate with different values ↑

Molar masses of substances nearby

FormulaM, g/mol
C₃H₅NO (acrylamide)71.079
FeO (iron(II) oxide)71.844
C₃H₄O₂ (acrylic acid)72.063
C₄H₈O (butanone)72.107
CaS (calcium sulfide)72.14
C₅H₁₂ (n-pentane)72.151
Ge (germanium)72.630

FAQ

What is the molar mass of C4H8O?

M(C₄H₈O) = 72.107 g/mol

How to calculate the molar mass of C₄H₈O?

Add up the atomic weights of all the atoms in the formula: 4 × 12.011 + 8 × 1.0080 + 15.999 = 72.107 g/mol.

How many grams are in 2 moles of C₄H₈O?

m = n × M = 2 mol × 72.107 g/mol = 144.214 g.

See Also