Molar Mass of CHCl3 (Chloroform)

Molar Mass Calculator

What is the molar mass of CHCl₃?

Answer

M(CHCl₃) ≈

119.37 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Ccarbon	1	12.011	12.011 w ≈ 10.06%	≈ 10.06%
Hhydrogen	1	1.0080	1.0080 w ≈ 0.84%	≈ 0.84%
Clchlorine	3	35.45	106.35 w ≈ 89.09%	≈ 89.09%
Σ = 119.369 ≈ 119.37 g/mol w = 100%				100%

Each fraction is rounded on its own, so the printed ones add up to 99.99%; unrounded, they make exactly 100%.

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

Mass fractions of the elements

Cl 89.09%

C 10.06%H 0.84%

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Molar masses of substances nearby

Formula	M, g/mol
CoCO₃ (cobalt(II) carbonate)	118.941
Cl₂OS (thionyl chloride)	118.96
KBr (potassium bromide)	119.002
CHCl₃ (chloroform)	119.37
HMnO₄ (permanganic acid)	119.942
FeS₂ (ferrous disulfide)	119.97
NaH₂PO₄ (monosodium phosphate)	119.976

FAQ

What is the molar mass of CHCl3?

M(CHCl₃) ≈ 119.37 g/mol

How to calculate the molar mass of CHCl₃?

Add up the atomic weights of all the atoms in the formula: 12.011 + 1.0080 + 3 × 35.45 = 119.369 ≈ 119.37 g/mol.

How many grams are in 2 moles of CHCl₃?

m = n × M = 2 mol × 119.37 g/mol = 238.74 g.

See Also