CompoundList
Molecular formula

CoO

1 compound has this formula on CompoundList.

Molar mass
74.93g/mol
Monoisotopic mass
74.9281Da
Atoms
2
Elements
2

The formula CoO describes a molecule made of 1 cobalt atom and 1 oxygen atom. 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

  • Co Cobalt × 178.65%
    58.933 × 1 = 58.933 g/mol
  • O Oxygen × 121.35%
    15.999 × 1 = 15.999 g/mol
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Compounds with the formula CoO

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

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Frequently asked questions

What is the molar mass of CoO?

The molar mass of CoO is 74.93 g/mol, calculated from standard atomic weights for 1 cobalt atom and 1 oxygen atom. The monoisotopic mass is 74.9281 Da.

How many compounds have the formula CoO?

CompoundList lists 1 compound with the molecular formula CoO, including Cobalt(II) oxide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.