- Arts & Culture 5947
- Business & Economics 688
- Computers 316
- Dictionaries & Encyclopedias 81
- Education & Science 76217
- Abstracts 252
- Astrology 4
- Astronomy 1
- Biology 8
- Chemistry 2356
- Coursework 15702
- Culture 9
- Diplomas 411
- Drawings 574
- Ecology 6
- Economy 82
- English 77
- Ethics, Aesthetics 3
- For Education Students 17617
- Foreign Languages 11
- Geography 3
- Geology 1
- History 89
- Maps & Atlases 5
- Mathematics 13871
- Musical Literature 2
- Pedagogics 19
- Philosophy 23
- Physics 14881
- Political Science 5
- Practical Work 101
- Psychology 60
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sexology 42
- Sociology 9
- Summaries, Cribs 87
- Test Answers 151
- Tests 9242
- Textbooks for Colleges and Universities 32
- Theses 24
- To Help Graduate Students 14
- To Help the Entrant 37
- Vetting 364
- Works 13
- Информатика 10
- Engineering 3062
- Fiction 696
- House, Family & Entertainment 107
- Law 132
- Website Promotion 71
35. Solving a chemistry problem
Uploaded: 29.03.2024
Content: 238.zip 25,76 kB
Product description
238. Using the internal standard method, calculate the content (%) of hexane (1) and heptane (2) in the analyzed mixture. Octane (st) was chosen as the internal standard. A standard mixture containing the same amount of these three components, 0.06 g each. Chromatographed (GZ, GLC). The areas of these peaks turned out to be 36.47 and 45 mm2, respectively. The analyzed mixture weighing 0.09 g, containing 0.045 g of octane, was chromatographed. The peak areas corresponding to the sequence of their listing given above were 46 mm2, 21 mm2 and 41.2 mm2.
Additional information
If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.
Feedback
0Period | |||
1 month | 3 months | 12 months | |
0 | 0 | 0 | |
0 | 0 | 0 |