Molar Mass of Ca(NO3)2 (Calcium Nitrate)

Molar Mass Calculator

What is the molar mass of Ca(NO₃)₂?

Answer

M(Ca(NO₃)₂) =

164.086 g/mol

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

Ca(NO₃)₂ = Ca + 2 × (N + 3 O) → Ca 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
Cacalcium	1	40.078	40.078 w ≈ 24.42%	≈ 24.42%
Nnitrogen	2	14.007	28.014 w ≈ 17.07%	≈ 17.07%
Ooxygen	6	15.999	95.994 w ≈ 58.50%	≈ 58.50%
Σ = 164.086 g/mol w = 100%				100%

Each fraction is rounded on its own, so the printed ones add up to 99.99%; unrounded, they make exactly 100%.

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

Mass fractions of the elements

O 58.50%

Ca 24.42%N 17.07%

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Molar masses of substances nearby

Formula	M, g/mol
C₆H₁₀OS₂ (allicin)	162.27
Dy (dysprosium)	162.50
Na₃PO₄ (trisodium phosphate)	163.940
Ca(NO₃)₂ (calcium nitrate)	164.086
Ho (holmium)	164.93
C₉H₁₁NO₂ (phenylalanine)	165.192
KI (potassium iodide)	166.00

FAQ

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

M(Ca(NO₃)₂) = 164.086 g/mol

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

Add up the atomic weights of all the atoms in the formula: 40.078 + 2 × 14.007 + 6 × 15.999 = 164.086 g/mol.

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

m = n × M = 2 mol × 164.086 g/mol = 328.172 g.

See Also