Prednisone at a glance
| Property | Value |
|---|
| Molar mass | 358.434 g/mol |
|---|
| Molecular weight | 358.434 u |
|---|
| Chemical formula | C21H26O5 |
|---|
| Monoisotopic mass | 358.178024 u |
|---|
| CAS number | 53-03-2 |
|---|
| PubChem CID | 5865 |
|---|
How to calculate the molar mass of prednisone
21 × 12.011 + 26 × 1.008 + 5 × 15.999 = 358.434 g/mol
- Count the atoms in C21H26O5: C 21, H 26, O 5.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 358.434 g/mol.
Elemental composition of prednisone
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 21 | 12.011 | 252.231 | 70.37% |
|---|
| H Hydrogen | 26 | 1.008 | 26.208 | 7.3118% |
|---|
| O Oxygen | 5 | 15.999 | 79.995 | 22.318% |
|---|
Grams and moles of prednisone
| Amount | Equals |
|---|
| 1 g | 0.0027899 mol |
|---|
| 10 g | 0.027899 mol |
|---|
| 100 g | 0.27899 mol |
|---|
| 0.1 mol | 35.843 g |
|---|
| 1 mol | 358.43 g |
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| 1 g, in particles | 1.6801 × 10^21 |
|---|
Calculate other compounds