Oplossing - Finding een molecular mass
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Finding een molecular massStapsgewijze uitleg
1. Break down de molecule naar its elements
De molecule C5H8NNaO4 consists van:
{ "ElementFrequency": "5", "Element": "Koolstof", "Count": "True" }{ "ElementFrequency": "8", "Element": "Waterstof", "Count": "True" }{ "ElementFrequency": "1", "Element": "Stikstof", "Count": "False" }{ "ElementFrequency": "1", "Element": "Natrium", "Count": "False" }{ "ElementFrequency": "4", "Element": "Zuurstof", "Count": "True" }
| Chemisch element | Symbool | # van atoms |
| Koolstof | C | 5 |
| Waterstof | H | 8 |
| Stikstof | N | 1 |
| Natrium | Na | 1 |
| Zuurstof | O | 4 |
2. Identify de atomic mass van each element
De atomic mass is shown below each element op de periodic table.
C5H8NNaO4 molecules consist van:
{ "Element": "Koolstof", "Symbol": "C", "Mass": "12,0107" }{ "Element": "Waterstof", "Symbol": "H", "Mass": "1,00794" }{ "Element": "Stikstof", "Symbol": "N", "Mass": "14,0067" }{ "Element": "Natrium", "Symbol": "Na", "Mass": "22,98976928" }{ "Element": "Zuurstof", "Symbol": "O", "Mass": "15,9994" }
| Chemisch element | Symbool | Atoommassa | # van atoms |
| Koolstof | C | 12,0107 | 5 |
| Waterstof | H | 1,00794 | 8 |
| Stikstof | N | 14,0067 | 1 |
| Natrium | Na | 22,98976928 | 1 |
| Zuurstof | O | 15,9994 | 4 |
3. Bereken de total atomic mass van each element in een molecule van C5H8NNaO4
{Step3AllAtomsList:__TOK0__ → __TOK1__ u
|}
| Chemisch element | Symbool | Atoommassa | # van atoms | Totale atoommassa |
| Koolstof | C | 12,0107 | 5 | 60,0535 |
| Waterstof | H | 1,00794 | 8 | 8,06352 |
| Stikstof | N | 14,0067 | 1 | 14,0067 |
| Natrium | Na | 22,98976928 | 1 | 22,98976928 |
| Zuurstof | O | 15,9994 | 4 | 63,9976 |
4. Bereken de mass van de molecule C5H8NNaO4
60,0535+8,06352+14,0067+22,98976928+63,9976=169,11108928
De averLeeftijd molecular mass van C5H8NNaO4 is 169,11108928 u.
5. Graph van molecular composition door atoms
6. Graph van molecular composition door mass
Waarom dit leren
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Every physical thing in de world is made up van matter. Whether het is de air wij breathe, de food wij eat, of de gas wij use naar heat ons homes, almost everything die exists is made up van matter, en alle matter is made up van molecules. Because van deze, understanding de properties van molecules can hulp us better understand de concepts die explain de world around us, such as waarom different materials behave as they do. Molecular mass is also een important concept voor anyone interested in pursuing een career in certain STEM fields.