Molar Mass of C6H6O2 (Resorcin)

Molar Mass Calculator

What is the molar mass of C₆H₆O₂?

Answer

M(C₆H₆O₂) =

110.112 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	6	12.011	72.066 w ≈ 65.45%	≈ 65.45%
Hhydrogen	6	1.0080	6.0480 w ≈ 5.49%	≈ 5.49%
Ooxygen	2	15.999	31.998 w ≈ 29.06%	≈ 29.06%
Σ = 110.112 g/mol w = 100%				100%

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

Mass fractions of the elements

C 65.45%

O 29.06%H 5.49%

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Molar masses of substances nearby

Formula	M, g/mol
N₂O₅ (dinitrogen pentoxide)	108.009
C₂H₅Br (bromoethane)	108.966
Li₂SO₄ (lithium sulfate)	109.94
C₆H₆O₂ (resorcin)	110.112
K₂S (potassium sulfide)	110.26
CaCl₂ (calcium chloride)	110.98
Cd (cadmium)	112.41

FAQ

What is the molar mass of C6H6O2?

M(C₆H₆O₂) = 110.112 g/mol

How to calculate the molar mass of C₆H₆O₂?

Add up the atomic weights of all the atoms in the formula: 6 × 12.011 + 6 × 1.0080 + 2 × 15.999 = 110.112 g/mol.

How many grams are in 2 moles of C₆H₆O₂?

m = n × M = 2 mol × 110.112 g/mol = 220.224 g.

See Also