34. Решение задачки по химии №981

2. A solution of selenic acid is used to prepare selenium-containing drugs. What mass of selenium (VI) oxide should be added to 100 g of a 15% solution of selenic acid to obtain a 30% solution?

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)