составить цепочку превращений   
1)cu-cuo-cuso4-feso4-fe(oh)2- fe3(po4)2

2)o2--p2o3-h3po4

пожалуйста 

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.