Potassium Permanganate at a glance
| Property | Value |
|---|
| Molar mass | 158.032 g/mol |
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| Molecular weight | 158.032 u |
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| Chemical formula | KMnO4 |
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| CAS number | 7722-64-7 |
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| PubChem CID | 516875 |
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How to calculate the molar mass of potassium permanganate
1 × 39.098 + 1 × 54.93804 + 4 × 15.999 = 158.032 g/mol
- Count the atoms in KMnO4: K 1, Mn 1, O 4.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 158.032 g/mol.
Elemental composition of potassium permanganate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| K Potassium | 1 | 39.098 | 39.098 | 24.741% |
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| Mn Manganese | 1 | 54.93804 | 54.93804 | 34.764% |
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| O Oxygen | 4 | 15.999 | 63.996 | 40.496% |
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Grams and moles of potassium permanganate
| Amount | Equals |
|---|
| 1 g | 0.0063278 mol |
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| 10 g | 0.063278 mol |
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| 100 g | 0.63278 mol |
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| 0.1 mol | 15.803 g |
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| 1 mol | 158.03 g |
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| 1 g, in particles | 3.8107 × 10^21 |
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Calculate other compounds