Molar Mass of C6H5Br (Bromobenzene)

Molar Mass Calculator

What is the molar mass of C₆H₅Br?

Answer

M(C₆H₅Br) =

157.010 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 ≈ 45.90%	≈ 45.90%
Hhydrogen	5	1.0080	5.0400 w ≈ 3.21%	≈ 3.21%
Brbromine	1	79.904	79.904 w ≈ 50.89%	≈ 50.89%
Σ = 157.010 g/mol w = 100%				100%

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

Mass fractions of the elements

Br 50.89%C 45.90%

H 3.21%

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Molar masses of substances nearby

Formula	M, g/mol
CoSO₄ (cobalt(II) sulfate)	154.99
C₆H₉N₃O₂ (L-histidine)	155.157
CaCrO₄ (calcium chromate)	156.070
C₆H₅Br (bromobenzene)	157.010
Gd (gadolinium)	157.25
KMnO₄ (potassium permanganate)	158.032
Na₂S₂O₃ (sodium thiosulfate)	158.10

FAQ

What is the molar mass of C6H5Br?

M(C₆H₅Br) = 157.010 g/mol

How to calculate the molar mass of C₆H₅Br?

Add up the atomic weights of all the atoms in the formula: 6 × 12.011 + 5 × 1.0080 + 79.904 = 157.010 g/mol.

How many grams are in 2 moles of C₆H₅Br?

m = n × M = 2 mol × 157.010 g/mol = 314.020 g.

See Also