It is very important to follow the rules and measuressafety, by working with substances that contain an ammonium ion.
It is very important to follow the rules and measuressafety, by working with substances that contain an ammonium ion.
user
Дуже важливо дотримуватися правила і заходибезпеки, проводячи роботи з речовинами, в складі яких є іон амонію.
assistant