EBooks
- Arts & Culture 6205
- Business & Economics 676
- Computers 324
- Dictionaries & Encyclopedias 70
- Education & Science 76906
- Abstracts 73
- Astrology 4
- Biology 8
- Chemistry 3979
- Coursework 15556
- Culture 8
- Diplomas 316
- Drawings 1596
- Ecology 5
- Economy 81
- English 80
- Ethics, Aesthetics 3
- For Education Students 17651
- Foreign Languages 11
- Geography 3
- Geology 1
- History 88
- Maps & Atlases 5
- Mathematics 12624
- Musical Literature 2
- Pedagogics 19
- Philosophy 22
- Physics 15120
- Political Science 5
- Practical Work 59
- Psychology 65
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sociology 9
- Summaries, Cribs 87
- Test Answers 160
- Tests 8753
- Textbooks for Colleges and Universities 32
- Theses 7
- To Help Graduate Students 14
- To Help the Entrant 38
- Vetting 382
- Works 13
- Информатика 8
- Engineering 872
- Fiction 708
- House, Family & Entertainment 84
- Law 133
- Website Promotion 70
145. Solving a chemistry problem
Uploaded:
08.05.2022
Content: 31-1.rar 22,52 kB
Content: 31-1.rar 22,52 kB
Product description
31. Option 1
From 100.00 ml of waste water, the herbicide, the cotoran, was extracted with chloroform. The extract was evaporated, transferred to a cuvette and titrated at 290 nm with acetic acid HClO4 T (HClO4 / koran) = 0.0003000 g / ml. Calculate the concentration of mg / l in water according to the following results:
Option 1
Optical density of the solution after adding HClO4
0.0 ml 0.4 ml 0.8 1.2 1.6 2.0 2.0 2.4 2.8
0.315 0.215 0.125 0.060 0.035 0.030 0.020 0.015
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
Feedback
0| Period | |||
| 1 month | 3 months | 12 months | |
| 0 | 0 | 0 | |
| 0 | 0 | 0 | |