Molar Mass of Cu(NO3)2 (Copper(II) Nitrate)

Molar Mass Calculator

What is the molar mass of Cu(NO₃)₂?

Answer

M(Cu(NO₃)₂) =

187.554 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

Cu(NO₃)₂ = Cu + 2 × (N + 3 O) → Cu 1, N 2, O 6

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 ≈ 33.88%	≈ 33.88%
Nnitrogen	2	14.007	28.014 w ≈ 14.94%	≈ 14.94%
Ooxygen	6	15.999	95.994 w ≈ 51.18%	≈ 51.18%
Σ = 187.554 g/mol w = 100%				100%

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

Mass fractions of the elements

O 51.18%

Cu 33.88%N 14.94%

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Molar masses of substances nearby

Formula	M, g/mol
W (tungsten)	183.84
MgBr₂ (magnesium bromide)	184.113
Re (rhenium)	186.21
Cu(NO₃)₂ (copper(II) nitrate)	187.554
AgBr (silver bromide)	187.77
KC₄H₅O₆ (potassium hydrogen tartrate)	188.176
Zn(NO₃)₂ (zinc nitrate)	189.39

FAQ

What is the molar mass of Cu(NO3)2?

M(Cu(NO₃)₂) = 187.554 g/mol

How to calculate the molar mass of Cu(NO₃)₂?

Add up the atomic weights of all the atoms in the formula: 63.546 + 2 × 14.007 + 6 × 15.999 = 187.554 g/mol.

How many grams are in 2 moles of Cu(NO₃)₂?

m = n × M = 2 mol × 187.554 g/mol = 375.108 g.

See Also