Iodine at a glance
| Property | Value |
|---|
| Molar mass | 253.8 g/mol |
|---|
| Molecular weight | 253.8 u |
|---|
| Chemical formula | I2 |
|---|
| Monoisotopic mass | 253.808944 u |
|---|
| CAS number | 7553-56-2 |
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| PubChem CID | 807 |
|---|
How to calculate the molar mass of iodine
2 × 126.9 = 253.8 g/mol
- Count the atoms in I2: I 2.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 253.8 g/mol.
Elemental composition of iodine
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| I Iodine | 2 | 126.9 | 253.8 | 100% |
|---|
Grams and moles of iodine
| Amount | Equals |
|---|
| 1 g | 0.0039401 mol |
|---|
| 10 g | 0.039401 mol |
|---|
| 100 g | 0.39401 mol |
|---|
| 0.1 mol | 25.38 g |
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| 1 mol | 253.8 g |
|---|
| 1 g, in particles | 2.3728 × 10^21 |
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Calculate other compounds