Er2O3
1 compound has this formula on CompoundList.
- Molar mass
- 382.52g/mol
- Monoisotopic mass
- 379.8453Da
- Atoms
- 5
- Elements
- 2
The formula Er2O3 describes a molecule made of 2 erbium 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
- Er Erbium × 287.45%167.26 × 2 = 334.520 g/mol
- O Oxygen × 312.55%15.999 × 3 = 47.997 g/mol
Compounds with the formula Er2O3
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 Er2O3?
The molar mass of Er2O3 is 382.52 g/mol, calculated from standard atomic weights for 2 erbium atoms and 3 oxygen atoms. The monoisotopic mass is 379.8453 Da.
How many compounds have the formula Er2O3?
CompoundList lists 1 compound with the molecular formula Er2O3, including Erbium 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.