Molar Mass of C2H5Cl (Chloroethane)
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What is the molar mass of C2H5Cl?
Answer
M(C2H5Cl) ≈
64.51 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 2 | 12.011 | 24.022 w ≈ 37.24% | ≈ 37.24% |
| Hhydrogen | 5 | 1.0080 | 5.0400 w ≈ 7.81% | ≈ 7.81% |
| Clchlorine | 1 | 35.45 | 35.45 w ≈ 54.95% | ≈ 54.95% |
| Σ = 64.512 ≈ 64.51 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Cl 54.95%C 37.24%
H 7.81%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Cu (copper) | 63.546 |
| SO₂ (sulfur dioxide) | 64.06 |
| CaC₂ (calcium carbide) | 64.100 |
| C₂H₅Cl (chloroethane) | 64.51 |
| NaN₃ (sodium azide) | 65.011 |
| KCN (potassium cyanide) | 65.116 |
| Zn (zinc) | 65.38 |