Molar Mass of CH4 (Methane)

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 CH4?

Answer

M(CH4) =
16.043 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
Ccarbon112.01112.011 w ≈ 74.87%
Hhydrogen41.00804.0320 w ≈ 25.13%
Σ = 16.043 g/mol w = 100%

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

Mass fractions of the elements

H 25.13%

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Recalculate with different values ↑

Molar masses of substances nearby

FormulaM, g/mol
C (carbon)12.011
N (nitrogen)14.007
O (oxygen)15.999
CH₄ (methane)16.043
NH₃ (ammonia)17.031
H₂O (water)18.015
F (fluorine)18.998

FAQ

What is the molar mass of CH4?

M(CH₄) = 16.043 g/mol

How to calculate the molar mass of CH₄?

Add up the atomic weights of all the atoms in the formula: 12.011 + 4 × 1.0080 = 16.043 g/mol.

How many grams are in 2 moles of CH₄?

m = n × M = 2 mol × 16.043 g/mol = 32.086 g.

See Also