134. Задачка по химии №013 443
57. How to determine the specific surface area of a powder (the surface of a unit of volume), if the particles have the shape of a bar?
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.