Molar Mass of MgCO3 (Magnesium Carbonate)
Molar Mass Calculator
What is the molar mass of MgCO3?
Answer
M(MgCO3) =
84.313 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Mgmagnesium | 1 | 24.305 | 24.305 w ≈ 28.83% | ≈ 28.83% |
| Ccarbon | 1 | 12.011 | 12.011 w ≈ 14.25% | ≈ 14.25% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 56.93% | ≈ 56.93% |
| Σ = 84.313 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)
O 56.93%
Mg 28.83%C 14.25%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| NaHCO₃ (sodium bicarbonate) | 84.006 |
| CHKO₂ (potassium formate) | 84.115 |
| C₆H₁₂ (cyclohexane) | 84.162 |
| MgCO₃ (magnesium carbonate) | 84.313 |
| HClO₃ (chloric acid) | 84.46 |
| CH₂Cl₂ (dichloromethane) | 84.93 |
| NaNO₃ (sodium nitrate) | 84.994 |