CompoundList
Molecular formula

K2O8S2

1 compound has this formula on CompoundList.

Molar mass
270.31g/mol
Monoisotopic mass
269.8309Da
Atoms
12
Elements
3

The formula K2O8S2 describes a molecule made of 2 potassium atoms, 8 oxygen atoms and 2 sulfur 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 × 228.93%
    39.098 × 2 = 78.196 g/mol
  • O Oxygen × 847.35%
    15.999 × 8 = 127.992 g/mol
  • S Sulfur × 223.72%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula K2O8S2

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 K2O8S2?

The molar mass of K2O8S2 is 270.31 g/mol, calculated from standard atomic weights for 2 potassium atoms, 8 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 269.8309 Da.

How many compounds have the formula K2O8S2?

CompoundList lists 1 compound with the molecular formula K2O8S2, including Potassium persulfate. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.