Molar Mass of N2O5 (Dinitrogen Pentoxide)

Molar Mass Calculator
Chemical formula Write symbols with a capital letter: CoCl2 is cobalt chloride, COCl2 is phosgene. A hydrate takes a dot: CuSO4·5H2O or CuSO4.5H2O

What is the molar mass of N2O5?

Answer

M(N2O5) =
108.009 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
Nnitrogen214.00728.014 w ≈ 25.94%
Ooxygen515.99979.995 w ≈ 74.06%
Σ = 108.009 g/mol w = 100%

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

Mass fractions of the elements

N 25.94%

See Also

FAQ

What is the molar mass of N2O5?

M(N₂O₅) = 108.009 g/mol

How to calculate the molar mass of N₂O₅?

Add up the atomic weights of all the atoms in the formula: 2 × 14.007 + 5 × 15.999 = 108.009 g/mol.

How many grams are in 2 moles of N₂O₅?

m = n × M = 2 mol × 108.009 g/mol = 216.018 g.