Ammonium Dichromate at a glance
| Property | Value |
|---|
| Molar mass | 252.063 g/mol |
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| Molecular weight | 252.063 u |
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| Chemical formula | (NH4)2Cr2O7 |
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| CAS number | 7789-09-5 |
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| PubChem CID | 24600 |
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How to calculate the molar mass of ammonium dichromate
2 × 14.007 + 8 × 1.008 + 2 × 51.996 + 7 × 15.999 = 252.063 g/mol
- Count the atoms in (NH4)2Cr2O7: N 2, H 8, Cr 2, O 7.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 252.063 g/mol.
Elemental composition of ammonium dichromate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| N Nitrogen | 2 | 14.007 | 28.014 | 11.114% |
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| H Hydrogen | 8 | 1.008 | 8.064 | 3.1992% |
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| Cr Chromium | 2 | 51.996 | 103.992 | 41.256% |
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| O Oxygen | 7 | 15.999 | 111.993 | 44.431% |
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Grams and moles of ammonium dichromate
| Amount | Equals |
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| 1 g | 0.0039673 mol |
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| 10 g | 0.039673 mol |
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| 100 g | 0.39673 mol |
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| 0.1 mol | 25.206 g |
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| 1 mol | 252.06 g |
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| 1 g, in particles | 2.3891 × 10^21 |
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Calculate other compounds