EBooks
- Arts & Culture 6806
- Books in Foreign Languages 153
- Business & Economics 4410
- Computers 2161
- Dictionaries & Encyclopedias 608
- Education & Science 105455
- Abstracts 1333
- Astrology 12
- Astronomy 14
- Biology 34
- Chemistry 5903
- Coursework 6335
- Culture 27
- Diplomas 2360
- Drawings 1265
- Ecology 29
- Economy 336
- English 996
- Entomology 2
- Ethics, Aesthetics 22
- For Education Students 31973
- Foreign Languages 57
- Geography 19
- Geology 17
- History 266
- Maps & Atlases 37
- Mathematics 14523
- Musical Literature 7
- Pedagogics 202
- Philosophy 176
- Physics 16156
- Political Science 122
- Practical Work 178
- Psychology 465
- Religion 44
- Russian and culture of speech 56
- School Textbooks 66
- Sexology 67
- Sociology 48
- Summaries, Cribs 717
- Tests 20592
- Textbooks for Colleges and Universities 213
- Theses 206
- To Help Graduate Students 21
- To Help the Entrant 114
- Vetting 379
- Works 50
- Информатика 16
- Engineering 3433
- Esoteric 949
- Fiction 3244
- For Children 390
- House, Family & Entertainment 2483
- Law 2697
- Medicine 1234
- Newspapers & Magazines 367
- Security 264
- Sport, Tourism 992
- Website Promotion 635
28-1. A weighed portion of an alloy of mass m g was dis
Sold: 6
last one 04.01.2022
Refunds: 0
Uploaded: 11.03.2022
Content: 28-1.rar 39,35 kB
Refunds: 0
Uploaded: 11.03.2022
Content: 28-1.rar 39,35 kB
Product description
28-1. A weighed portion of an alloy of mass m g was dissolved and, after appropriate treatment, the Cu2 + ions were titrated with the EDTA spectrophotometric method at λeff. = 620 nm. Build the titration curve and calculate the mass fraction (%) of copper in the alloy according to the following data:
m = 0.5112 Concat complexone mol / l 0.09842
Opt. solution density after adding EDTA, ml:
1 2 3 4 5 6
0.16 0.25 0.35 0.44 0.45 0.45
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.