Calcium Sulfate Dihydrate at a glance
| Property | Value |
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| Molar mass | 172.164 g/mol |
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| Molecular weight | 172.164 u |
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| Chemical formula | CaSO4·2H2O |
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| Monoisotopic mass | 171.93545 u |
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| CAS number | 10101-41-4 |
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| PubChem CID | 24928 |
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How to calculate the molar mass of calcium sulfate dihydrate
1 × 40.078 + 1 × 32.06 + 6 × 15.999 + 4 × 1.008 = 172.164 g/mol
- Count the atoms in CaSO4·2H2O: Ca 1, S 1, O 6, H 4.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 172.164 g/mol.
Elemental composition of calcium sulfate dihydrate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
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| Ca Calcium | 1 | 40.078 | 40.078 | 23.279% |
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| S Sulfur | 1 | 32.06 | 32.06 | 18.622% |
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| O Oxygen | 6 | 15.999 | 95.994 | 55.757% |
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| H Hydrogen | 4 | 1.008 | 4.032 | 2.342% |
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Grams and moles of calcium sulfate dihydrate
| Amount | Equals |
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| 1 g | 0.0058084 mol |
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| 10 g | 0.058084 mol |
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| 100 g | 0.58084 mol |
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| 0.1 mol | 17.216 g |
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| 1 mol | 172.16 g |
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| 1 g, in particles | 3.4979 × 10^21 |
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Calculate other compounds