Molar Mass of HgI2 (Mercury(II) Iodide)

Molar Mass Calculator

What is the molar mass of HgI₂?

Answer

M(HgI₂) =

454.39 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 ≈ 44.14%	≈ 44.14%
Iiodine	2	126.90	253.80 w ≈ 55.86%	≈ 55.86%
Σ = 454.39 g/mol w = 100%				100%

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

Mass fractions of the elements

I 55.86%Hg 44.14%

Related Calculations

See Also

Liters to Kilograms - How many kilograms are in a liter of water, honey, gasoline, sand and other substances — by density
Grams to Kg - Convert Grams to Kilograms
Percentage Calculator: Fraction to Percent - What percentage one number is of another? Convert fraction into a percentage
Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89

Recalculate with different values ↑

Molar masses of substances nearby

Formula	M, g/mol
Fe₂(SO₄)₃ (ferric sulfate)	399.86
AlI₃ (aluminum iodide)	407.68
C₁₂H₂₂CaO₁₄ (calcium gluconate)	430.372
HgI₂ (mercury(II) iodide)	454.39
PbI₂ (lead(II) iodide)	461.0
C₁₆H₉N₄Na₃O₉S₂ (tartrazine)	534.36
Ba₃(PO₄)₂ (barium phosphate)	601.93

FAQ

What is the molar mass of HgI2?

M(HgI₂) = 454.39 g/mol

How to calculate the molar mass of HgI₂?

Add up the atomic weights of all the atoms in the formula: 200.59 + 2 × 126.90 = 454.39 g/mol.

How many grams are in 2 moles of HgI₂?

m = n × M = 2 mol × 454.39 g/mol = 908.78 g.

See Also