CompoundList
Molecular formula

H2O3

2 compounds have this formula on CompoundList.

Molar mass
50.01g/mol
Monoisotopic mass
50.0004Da
Atoms
5
Elements
2

The formula H2O3 describes a molecule made of 2 hydrogen 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

  • H Hydrogen × 24.03%
    1.008 × 2 = 2.016 g/mol
  • O Oxygen × 395.97%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula H2O3

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 H2O3?

The molar mass of H2O3 is 50.01 g/mol, calculated from standard atomic weights for 2 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 50.0004 Da.

How many compounds have the formula H2O3?

CompoundList lists 2 compounds with the molecular formula H2O3, including Trioxidane, Superoxide, hydrate. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.