Molar Mass of MgSO4 (Magnesium Sulfate)
Molar Mass Calculator
What is the molar mass of MgSO4?
Answer
M(MgSO4) ≈
120.36 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — S: 32.06.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Mgmagnesium | 1 | 24.305 | 24.305 w ≈ 20.19% | ≈ 20.19% |
| Ssulfur | 1 | 32.06 | 32.06 w ≈ 26.64% | ≈ 26.64% |
| Ooxygen | 4 | 15.999 | 63.996 w ≈ 53.17% | ≈ 53.17% |
| Σ = 120.361 ≈ 120.36 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 53.17%
S 26.64%Mg 20.19%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| NaHSO₄ (sodium bisulfate) | 120.05 |
| C₄H₈O₄ | 120.104 |
| C₈H₈O (acetophenone) | 120.151 |
| MgSO₄ (magnesium sulfate) | 120.36 |
| C₄H₁₁NO₃ (tromethamine) | 121.136 |
| Sr(OH)₂ (strontium hydroxide) | 121.63 |
| Sb (antimony) | 121.76 |