Potassium Carbonate at a glance
| Property | Value |
|---|
| Molar mass | 138.204 g/mol |
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| Molecular weight | 138.204 u |
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| Chemical formula | K2CO3 |
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| Monoisotopic mass | 137.912157 u |
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| CAS number | 584-08-7 |
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| PubChem CID | 11430 |
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How to calculate the molar mass of potassium carbonate
2 × 39.098 + 1 × 12.011 + 3 × 15.999 = 138.204 g/mol
- Count the atoms in K2CO3: K 2, C 1, O 3.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 138.204 g/mol.
Elemental composition of potassium carbonate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| K Potassium | 2 | 39.098 | 78.196 | 56.58% |
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| C Carbon | 1 | 12.011 | 12.011 | 8.6908% |
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| O Oxygen | 3 | 15.999 | 47.997 | 34.729% |
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Grams and moles of potassium carbonate
| Amount | Equals |
|---|
| 1 g | 0.0072357 mol |
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| 10 g | 0.072357 mol |
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| 100 g | 0.72357 mol |
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| 0.1 mol | 13.82 g |
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| 1 mol | 138.2 g |
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| 1 g, in particles | 4.3574 × 10^21 |
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Calculate other compounds