Molar Mass of H2Se (Hydrogen Selenide)
Molar Mass Calculator
What is the molar mass of H2Se?
Answer
M(H2Se) =
80.987 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 2.49% | ≈ 2.49% |
| Seselenium | 1 | 78.971 | 78.971 w ≈ 97.51% | ≈ 97.51% |
| Σ = 80.987 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Se 97.51%
H 2.49%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| NH₄NO₃ (ammonium nitrate) | 80.043 |
| SO₃ (sulfur trioxide) | 80.06 |
| HBr (hydrogen bromide) | 80.912 |
| H₂Se (hydrogen selenide) | 80.987 |
| ZnO (zinc oxide) | 81.38 |
| H₃PO₃ (phosphonic acid) | 81.995 |
| CH₃COONa (sodium acetate) | 82.034 |