Chemistry, 10.09.2021 17:40, sierravick123owr441

Hòa tan hết 8,4 gam Fe trong dung dịch HCl 20% thu được FeCl2 và khí H2O (đktc) a, Tính khối lượng dung dịch HCl 20% cần dùng
b, Tính khối lượng FeCl2 thu được
c, Nếu dùng dung dịch H2SO4 hòa tan lượng sắt nói trên thì thuu được bao nhiêu lít khí H2 (đktc)

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 17:40, monkey2865

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

Answers: 2

continue

Chemistry, 22.06.2019 12:30, murtaghliam1

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Answers: 3

continue

Chemistry, 23.06.2019 07:40, emma4113

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?

Answers: 2

continue

Chemistry, 23.06.2019 12:00, snikergrace

Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.

Answers: 1

continue

Do you know the correct answer?

Hòa tan hết 8,4 gam Fe trong dung dịch HCl 20% thu được FeCl2 và khí H2O (đktc) a, Tính khối lượng...