Molar Mass of HgS (Mercury(II) Sulfide)

Molar Mass Calculator

What is the molar mass of HgS?

Answer

M(HgS) =

232.65 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
Hgmercury	1	200.59	200.59 w ≈ 86.22%	≈ 86.22%
Ssulfur	1	32.06	32.06 w ≈ 13.78%	≈ 13.78%
Σ = 232.65 g/mol w = 100%				100%

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

Mass fractions of the elements

Hg 86.22%

S 13.78%

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Molar masses of substances nearby

Formula	M, g/mol
Fe₃O₄ (iron(II,III) oxide)	231.531
Ag₂O (silver oxide)	231.74
Th (thorium)	232.04
HgS (mercury(II) sulfide)	232.65
BaSO₄ (barium sulfate)	233.39
Ca(H₂PO₄)₂ (monocalcium phosphate)	234.050
AgI (silver iodide)	234.77

FAQ

What is the molar mass of HgS?

M(HgS) = 232.65 g/mol

How to calculate the molar mass of HgS?

Add up the atomic weights of all the atoms in the formula: 200.59 + 32.06 = 232.65 g/mol.

How many grams are in 2 moles of HgS?

m = n × M = 2 mol × 232.65 g/mol = 465.30 g.

See Also