Molar Mass of C12H22O11 (Sucrose)

Molar Mass Calculator

What is the molar mass of C₁₂H₂₂O₁₁?

Answer

M(C₁₂H₂₂O₁₁) =

342.297 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	12	12.011	144.132 w ≈ 42.11%	≈ 42.11%
Hhydrogen	22	1.0080	22.1760 w ≈ 6.48%	≈ 6.48%
Ooxygen	11	15.999	175.989 w ≈ 51.41%	≈ 51.41%
Σ = 342.297 g/mol w = 100%				100%

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

Mass fractions of the elements

O 51.41%C 42.11%

H 6.48%

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Molar masses of substances nearby

Formula	M, g/mol
CCs₂O₃ (cesium carbonate)	325.83
Pb(NO₃)₂ (lead(II) nitrate)	331.2
Al₂(SO₄)₃ (aluminium sulfate)	342.13
C₁₂H₂₂O₁₁ (sucrose)	342.297
AgC₁₀H₉N₄SO₂	357.14
Na₂B₄O₇·10H₂O	381.36
Zn₃(PO₄)₂ (zinc phosphate)	386.08

FAQ

What is the molar mass of C12H22O11?

M(C₁₂H₂₂O₁₁) = 342.297 g/mol

How to calculate the molar mass of C₁₂H₂₂O₁₁?

Add up the atomic weights of all the atoms in the formula: 12 × 12.011 + 22 × 1.0080 + 11 × 15.999 = 342.297 g/mol.

How many grams are in 2 moles of C₁₂H₂₂O₁₁?

m = n × M = 2 mol × 342.297 g/mol = 684.594 g.

See Also