Molar Mass of C5H10 (Cyclopentane)

Molar Mass Calculator

What is the molar mass of C₅H₁₀?

Answer

M(C₅H₁₀) =

70.135 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	5	12.011	60.055 w ≈ 85.63%	≈ 85.63%
Hhydrogen	10	1.0080	10.0800 w ≈ 14.37%	≈ 14.37%
Σ = 70.135 g/mol w = 100%				100%

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

Mass fractions of the elements

C 85.63%

H 14.37%

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Molar masses of substances nearby

Formula	M, g/mol
NaNO₂ (sodium nitrite)	68.995
B₂O₃ (diboron trioxide)	69.62
Ga (gallium)	69.723
C₅H₁₀ (cyclopentane)	70.135
Cl₂ (chlorine)	70.90
MnO (manganese(II) oxide)	70.937
C₃H₅NO (acrylamide)	71.079

FAQ

What is the molar mass of C5H10?

M(C₅H₁₀) = 70.135 g/mol

How to calculate the molar mass of C₅H₁₀?

Add up the atomic weights of all the atoms in the formula: 5 × 12.011 + 10 × 1.0080 = 70.135 g/mol.

How many grams are in 2 moles of C₅H₁₀?

m = n × M = 2 mol × 70.135 g/mol = 140.270 g.

See Also