Free online molecular weight calculation with detailed element breakdown
| Symbol | Element | Atoms | Atomic Mass | Subtotal | % |
|---|---|---|---|---|---|
| Os | Osmium | 1 | 190.2300 | 190.2300 | 74.83% |
| O | Oxygen | 4 | 15.9990 | 63.9960 | 25.17% |
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