$ catalog --items 252581 --sellers 7532 --status ok
0731. Решение задачки по химии
#4042246

0731. Решение задачки по химии

302. When determining adipic acid in the product of butadiene hydrocarboxylation by paper chromatography, the resulting spots, developed with methyl red, were cut out. Dried and weighed. For standard mixtures with different contents of adipic acid, the following data were obtained:
Mass of acid, mg 5 10 15 20
Weight of paper with stain, mg 61 106 146 186
A portion of the analyzed sample m1 (mg) was dissolved in V (ml) of water and 0.05 ml portions of the resulting solution were chromatographed. The mass of the resulting spots was m2 (mg). Determine the percentage of adipic acid in the analyzed product using the following data:
Problem No. 302
m 1, mg 110
V, ml 15
m 2, mg 90

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.

Оплата и выдача товара осуществляются через партнёрскую платформу.

Отзывы

Пока нет отзывов на этот товар.

Похожие товары

Изображения и наименования товаров могут содержать товарные знаки правообладателей и приведены исключительно в информационных целях; сайт не аффилирован с правообладателями.