Molar Mass of C2H5Br (Bromoethane)
Molar Mass Calculator
What is the molar mass of C2H5Br?
Answer
M(C2H5Br) =
108.966 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 2 | 12.011 | 24.022 w ≈ 22.05% | ≈ 22.05% |
| Hhydrogen | 5 | 1.0080 | 5.0400 w ≈ 4.63% | ≈ 4.63% |
| Brbromine | 1 | 79.904 | 79.904 w ≈ 73.33% | ≈ 73.33% |
| Σ = 108.966 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)
Br 73.33%
C 22.05%H 4.63%
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