Что обозначают эти записи в химии, каждый из них?
5 Hg O; O2; 3H2; 2 H2 SO4; 7Cu; 3N2
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.