Molar Mass of CH2Cl2 (Dichloromethane)
Molar Mass Calculator
What is the molar mass of CH2Cl2?
Answer
M(CH2Cl2) ≈
84.93 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 | 1 | 12.011 | 12.011 w ≈ 14.14% | ≈ 14.14% |
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 2.37% | ≈ 2.37% |
| Clchlorine | 2 | 35.45 | 70.90 w ≈ 83.48% | ≈ 83.48% |
| Σ = 84.927 ≈ 84.93 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)
Cl 83.48%
C 14.14%H 2.37%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| C₆H₁₂ (cyclohexane) | 84.162 |
| MgCO₃ (magnesium carbonate) | 84.313 |
| HClO₃ (chloric acid) | 84.46 |
| CH₂Cl₂ (dichloromethane) | 84.93 |
| NaNO₃ (sodium nitrate) | 84.994 |
| KNO₂ (potassium nitrite) | 85.103 |
| Rb (rubidium) | 85.468 |