Molar Mass of C3H8O3 (Glycerol)
Molar Mass Calculator
What is the molar mass of C3H8O3?
Answer
M(C3H8O3) =
92.094 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 3 | 12.011 | 36.033 w ≈ 39.13% | ≈ 39.13% |
| Hhydrogen | 8 | 1.0080 | 8.0640 w ≈ 8.76% | ≈ 8.76% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 52.12% | ≈ 52.12% |
| Σ = 92.094 g/mol w = 100% | 100% | |||
Each fraction is rounded on its own, so the printed ones add up to 100.01%; unrounded, they make exactly 100%.
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 52.12%C 39.13%
H 8.76%
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