A portion of sodium salicylate Opt30 M (C7H5O3Na) = 160,10 g
If the total amount of your purchases from the seller nikole more than:
- 5 $ the discount is 5%
Sold 7
Refunds 0
Good feedbacks 0
Bad feedbacks 0
30. A portion of sodium salicylate M (C7H5O3Na) = 160,10 g / mol weighing 0.0515 g was dissolved in glacial acetic acid and titrated photometrically tropeolin with indicator 00 at 540 nm on a photometer LMF-69, using as titrant 0.1000 M HClO4 in glacial acetic acid. Calculate the mass content (%) in the preparation of sodium salicylate on the titration results:
V (HClO4), ml 0.0 1.0 1.2 1.6 2.0 2.4 2.6 2.8 3.0 3.1 3.2 3.4 3.6 4.0 4 4
A 0.020 0.040 0.040 0.050 0.070 0.110 0.150 0.230 0.440 0.680 1.040 1.070 1.070, 1.070, 1.070
V (HClO4), ml 0.0 1.0 1.2 1.6 2.0 2.4 2.6 2.8 3.0 3.1 3.2 3.4 3.6 4.0 4 4
A 0.020 0.040 0.040 0.050 0.070 0.110 0.150 0.230 0.440 0.680 1.040 1.070 1.070, 1.070, 1.070
Problems on Optics
Many of the tasks of the "Collection of questions and tasks Analytical Chemistry", ed. Vasiliev VP
All tasks have been successfully surrendered !!!
For any questions (explain answer additional questions of the teacher, etc.) can be treated as Seller is the direct executors of tasks.
Tasks performed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; WinRAR files are archived
Many of the tasks of the "Collection of questions and tasks Analytical Chemistry", ed. Vasiliev VP
All tasks have been successfully surrendered !!!
For any questions (explain answer additional questions of the teacher, etc.) can be treated as Seller is the direct executors of tasks.
Tasks performed in Microsoft Word, graphics - in Microsoft Exel or OriginPro; WinRAR files are archived