Molar Mass of H2S (Hydrogen Sulfide)
Molar Mass Calculator
What is the molar mass of H2S?
Answer
M(H2S) ≈
34.08 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — S: 32.06.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 5.92% | ≈ 5.92% |
| Ssulfur | 1 | 32.06 | 32.06 w ≈ 94.08% | ≈ 94.08% |
| Σ = 34.076 ≈ 34.08 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
S 94.08%
H 5.92%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| PH₃ (phosphine) | 33.998 |
| H₂O₂ (hydrogen peroxide) | 34.014 |
| CH₃F (fluoromethane) | 34.033 |
| H₂S (hydrogen sulfide) | 34.08 |
| NH₄OH | 35.046 |
| Cl (chlorine) | 35.45 |
| HCl (hydrogen chloride) | 36.46 |