Дана цепочка превращений:FeS2 - X1 - X2 - H2SO4.

 

Вещества Х1и Х2 имеют формулы соответственно:а) SO2 и SO3, б) H2S и SO3, в) SO и Na2SO4, г) S и SO3.

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.