Molar Mass of CuCO3 (Copper(II) Carbonate)

Molar Mass Calculator

What is the molar mass of CuCO₃?

Answer

M(CuCO₃) =

123.554 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
Cucopper	1	63.546	63.546 w ≈ 51.43%	≈ 51.43%
Ccarbon	1	12.011	12.011 w ≈ 9.72%	≈ 9.72%
Ooxygen	3	15.999	47.997 w ≈ 38.85%	≈ 38.85%
Σ = 123.554 g/mol w = 100%				100%

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

Mass fractions of the elements

Cu 51.43%O 38.85%

C 9.72%

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Molar masses of substances nearby

Formula	M, g/mol
NaClO₄ (sodium perchlorate)	122.44
KClO₃	122.55
C₆H₅NO₂ (nitrobenzene)	123.111
CuCO₃ (copper(II) carbonate)	123.554
P₄ (white phosphorus)	123.896
C₇H₈O₂ (guaiacol)	124.139
ZnCO₃ (zinc carbonate)	125.39

FAQ

What is the molar mass of CuCO3?

M(CuCO₃) = 123.554 g/mol

How to calculate the molar mass of CuCO₃?

Add up the atomic weights of all the atoms in the formula: 63.546 + 12.011 + 3 × 15.999 = 123.554 g/mol.

How many grams are in 2 moles of CuCO₃?

m = n × M = 2 mol × 123.554 g/mol = 247.108 g.

See Also