Molar Mass of C2H6 (Ethane)

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 C2H6?

Answer

M(C2H6) =
30.070 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
Ccarbon212.01124.022 w ≈ 79.89%
Hhydrogen61.00806.0480 w ≈ 20.11%
Σ = 30.070 g/mol w = 100%

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

Mass fractions of the elements

H 20.11%

Related Calculations

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Recalculate with different values ↑

Molar masses of substances nearby

FormulaM, g/mol
Li₂O (lithium oxide)29.88
NO (nitric oxide)30.006
CH₂O (formaldehyde)30.026
C₂H₆ (ethane)30.070
P (phosphorus)30.974
CH₅N (methylamine)31.058
O₂ (oxygen)31.998

FAQ

What is the molar mass of C2H6?

M(C₂H₆) = 30.070 g/mol

How to calculate the molar mass of C₂H₆?

Add up the atomic weights of all the atoms in the formula: 2 × 12.011 + 6 × 1.0080 = 30.070 g/mol.

How many grams are in 2 moles of C₂H₆?

m = n × M = 2 mol × 30.070 g/mol = 60.140 g.

See Also