CompoundList
Molecular formula

La2O3

1 compound has this formula on CompoundList.

Molar mass
325.82g/mol
Monoisotopic mass
325.7975Da
Atoms
5
Elements
2

The formula La2O3 describes a molecule made of 2 lanthanum atoms and 3 oxygen atoms. It is written in Hill notation: with no carbon present, every element is listed in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • La Lanthanum × 285.27%
    138.91 × 2 = 277.820 g/mol
  • O Oxygen × 314.73%
    15.999 × 3 = 47.997 g/mol
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Compounds with the formula La2O3

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 1 of 1 compounds

Frequently asked questions

What is the molar mass of La2O3?

The molar mass of La2O3 is 325.82 g/mol, calculated from standard atomic weights for 2 lanthanum atoms and 3 oxygen atoms. The monoisotopic mass is 325.7975 Da.

How many compounds have the formula La2O3?

CompoundList lists 1 compound with the molecular formula La2O3, including Lanthanum sesquioxide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.