Molar Mass of C2CaO4 (Calcium Oxalate)

Molar Mass Calculator

What is the molar mass of C₂CaO₄?

Answer

M(C₂CaO₄) =

128.096 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
Ccarbon	2	12.011	24.022 w ≈ 18.75%	≈ 18.75%
Cacalcium	1	40.078	40.078 w ≈ 31.29%	≈ 31.29%
Ooxygen	4	15.999	63.996 w ≈ 49.96%	≈ 49.96%
Σ = 128.096 g/mol w = 100%				100%

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

Mass fractions of the elements

O 49.96%

Ca 31.29%C 18.75%

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Molar masses of substances nearby

Formula	M, g/mol
I (iodine)	126.90
Te (tellurium)	127.60
HI (hydrogen iodide)	127.91
C₂CaO₄ (calcium oxalate)	128.096
C₁₀H₈ (naphthalene)	128.174
CdO (cadmium oxide)	128.41
NiCl₂ (nickel(II) chloride)	129.59

FAQ

What is the molar mass of C2CaO4?

M(C₂CaO₄) = 128.096 g/mol

How to calculate the molar mass of C₂CaO₄?

Add up the atomic weights of all the atoms in the formula: 2 × 12.011 + 40.078 + 4 × 15.999 = 128.096 g/mol.

How many grams are in 2 moles of C₂CaO₄?

m = n × M = 2 mol × 128.096 g/mol = 256.192 g.

See Also