Molar Mass of HCOOH (Formic Acid)
Molar Mass Calculator
What is the molar mass of HCOOH?
Answer
M(HCOOH) =
46.025 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 ≈ 4.38% | ≈ 4.38% |
| Ccarbon | 1 | 12.011 | 12.011 w ≈ 26.10% | ≈ 26.10% |
| Ooxygen | 2 | 15.999 | 31.998 w ≈ 69.52% | ≈ 69.52% |
| Σ = 46.025 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 69.52%
C 26.10%H 4.38%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Sc (scandium) | 44.956 |
| C₂H₇N (ethylamine) | 45.085 |
| NO₂ (nitrogen dioxide) | 46.005 |
| HCOOH (formic acid) | 46.025 |
| C₂H₅OH (ethanol) | 46.069 |
| CH₆N₂ (monomethylhydrazine) | 46.073 |
| HNO₂ (nitrous acid) | 47.013 |