Molar Mass of ZnCO3 (Zinc Carbonate)

Molar Mass Calculator

What is the molar mass of ZnCO₃?

Answer

M(ZnCO₃) ≈

125.39 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Zn: 65.38.

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 ≈ 52.14%	≈ 52.14%
Ccarbon	1	12.011	12.011 w ≈ 9.58%	≈ 9.58%
Ooxygen	3	15.999	47.997 w ≈ 38.28%	≈ 38.28%
Σ = 125.388 ≈ 125.39 g/mol w = 100%				100%

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

Mass fractions of the elements

Zn 52.14%O 38.28%

C 9.58%

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Molar masses of substances nearby

Formula	M, g/mol
CuCO₃ (copper(II) carbonate)	123.554
P₄ (white phosphorus)	123.896
C₇H₈O₂ (guaiacol)	124.139
ZnCO₃ (zinc carbonate)	125.39
SrF₂ (strontium fluoride)	125.62
MnCl₂ (manganese(II) chloride)	125.84
Na₂SO₃ (sodium sulfite)	126.04

FAQ

What is the molar mass of ZnCO3?

M(ZnCO₃) ≈ 125.39 g/mol

How to calculate the molar mass of ZnCO₃?

Add up the atomic weights of all the atoms in the formula: 65.38 + 12.011 + 3 × 15.999 = 125.388 ≈ 125.39 g/mol.

How many grams are in 2 moles of ZnCO₃?

m = n × M = 2 mol × 125.39 g/mol = 250.78 g.

See Also