Molar Mass of ZnI2 (Zinc Iodide)

Molar Mass Calculator

What is the molar mass of ZnI₂?

Answer

M(ZnI₂) =

319.18 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
Znzinc	1	65.38	65.38 w ≈ 20.48%	≈ 20.48%
Iiodine	2	126.90	253.80 w ≈ 79.52%	≈ 79.52%
Σ = 319.18 g/mol w = 100%				100%

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

Mass fractions of the elements

I 79.52%

Zn 20.48%

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
Ca₃(PO₄)₂ (tricalcium phosphate)	310.174
Ag₂SO₄ (silver sulfate)	311.80
C₂₀H₁₄O₄ (phenolphthalein)	318.328
ZnI₂ (zinc iodide)	319.18
C₁₆H₁₈ClN₃S (methylene blue)	319.85
Na₂SO₄·10H₂O (sodium sulfate decahydrate)	322.19
PbCrO₄ (lead(II) chromate)	323.2

FAQ

What is the molar mass of ZnI2?

M(ZnI₂) = 319.18 g/mol

How to calculate the molar mass of ZnI₂?

Add up the atomic weights of all the atoms in the formula: 65.38 + 2 × 126.90 = 319.18 g/mol.

How many grams are in 2 moles of ZnI₂?

m = n × M = 2 mol × 319.18 g/mol = 638.36 g.

See Also