subject
Chemistry, 19.06.2021 15:30 Edwardwall

Cho 8,4g Fe tan hết trong dung dịch H2SO4 đậm đặc và nóng, thu được khí SO2 và dung dịch X. Cô cạn dung dịch X thu được 26,4 g muối khan a. Tính khối lượng H2SO4 đã phản ứng.
b. Cho toàn bộ lượng khí SO2 ở trên tác dụng với 275ml dung dịch KOH, sau phản ứng thu được dung dịch y. Tính khối lượng chất tan có trong dung dịch Y.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 06:00
0.09 moles of sodium sulfate in 12 ml of solution
Answers: 3
question
Chemistry, 22.06.2019 10:00
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Answers: 3
question
Chemistry, 22.06.2019 13:00
In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
Answers: 3
question
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
You know the right answer?
Cho 8,4g Fe tan hết trong dung dịch H2SO4 đậm đặc và nóng, thu được khí SO2 và dung dịch X. Cô cạn d...
Questions
question
English, 25.03.2021 15:30
question
Mathematics, 25.03.2021 15:30
question
Mathematics, 25.03.2021 15:30
question
Mathematics, 25.03.2021 15:30