Molar Mass of HC3H5O3 (DL-lactic Acid)
Molar Mass Calculator
What is the molar mass of HC3H5O3?
Answer
M(HC3H5O3) =
90.078 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Hhydrogen | 6 | 1.0080 | 6.0480 w ≈ 6.71% | ≈ 6.71% |
| Ccarbon | 3 | 12.011 | 36.033 w ≈ 40.00% | ≈ 40.00% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 53.28% | ≈ 53.28% |
| Σ = 90.078 g/mol w = 100% | 100% | |||
Each fraction is rounded on its own, so the printed ones add up to 99.99%; unrounded, they make exactly 100%.
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 53.28%C 40.00%
H 6.71%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| C₃H₇NO₂ (L-alanine) | 89.094 |
| Fe(OH)₂ (ferrous hydroxide) | 89.859 |
| H₂C₂O₄ (oxalic acid) | 90.034 |
| HC₃H₅O₃ (DL-lactic acid) | 90.078 |
| NaClO₂ (sodium chlorite) | 90.44 |
| NiS (nickel(II) sulfide) | 90.75 |
| Zr (zirconium) | 91.222 |