Molar Mass of C5H11NO2 (L-valine)
Molar Mass Calculator
What is the molar mass of C5H11NO2?
Answer
M(C5H11NO2) =
117.148 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 5 | 12.011 | 60.055 w ≈ 51.26% | ≈ 51.26% |
| Hhydrogen | 11 | 1.0080 | 11.0880 w ≈ 9.46% | ≈ 9.46% |
| Nnitrogen | 1 | 14.007 | 14.007 w ≈ 11.96% | ≈ 11.96% |
| Ooxygen | 2 | 15.999 | 31.998 w ≈ 27.31% | ≈ 27.31% |
| Σ = 117.148 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)
C 51.26%
O 27.31%N 11.96%H 9.46%
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