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Molecular formula

K2O2

1 compound has this formula on CompoundList.

Molar mass
110.19g/mol
Monoisotopic mass
109.9172Da
Atoms
4
Elements
2

The formula K2O2 describes a molecule made of 2 potassium atoms and 2 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

  • K Potassium × 270.96%
    39.098 × 2 = 78.196 g/mol
  • O Oxygen × 229.04%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula K2O2

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

Showing 1 to 1 of 1 compounds

Potassium peroxide chemical structure, K2O2, CAS 17014-71-0
Potassium peroxide
CAS 17014-71-0K2O2

Frequently asked questions

What is the molar mass of K2O2?

The molar mass of K2O2 is 110.19 g/mol, calculated from standard atomic weights for 2 potassium atoms and 2 oxygen atoms. The monoisotopic mass is 109.9172 Da.

How many compounds have the formula K2O2?

CompoundList lists 1 compound with the molecular formula K2O2, including Potassium peroxide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.