CompoundList
Molecular formula

Cr2O3

2 compounds have this formula on CompoundList.

Molar mass
151.99g/mol
Monoisotopic mass
151.8658Da
Atoms
5
Elements
2

The formula Cr2O3 describes a molecule made of 2 chromium 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

  • Cr Chromium × 268.42%
    51.996 × 2 = 103.992 g/mol
  • O Oxygen × 331.58%
    15.999 × 3 = 47.997 g/mol
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Compounds with the formula Cr2O3

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

Showing 1 to 2 of 2 compounds

Frequently asked questions

What is the molar mass of Cr2O3?

The molar mass of Cr2O3 is 151.99 g/mol, calculated from standard atomic weights for 2 chromium atoms and 3 oxygen atoms. The monoisotopic mass is 151.8658 Da.

How many compounds have the formula Cr2O3?

CompoundList lists 2 compounds with the molecular formula Cr2O3, including Chromia, Chromium oxide (Cr2O5). Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.