Предмет: Химия, автор: Ychenyu

Реакция ионного обмена:
CaCl2 и H3PO4
Na2SO3 и HCL
NaOH и H2SO4​

Ответы

Автор ответа: mrvladimir2
0

Ответ:

Объяснение:

3CaCl₂ + 2H₃PO₄ = Ca₃(PO₄)₂ + 6HCl

3Ca²⁺ + 6Cl⁻ + 6H⁺ + 2PO₄³⁻ = Ca₃(PO₄)₂ + 6H⁺ + 6Cl⁻

3Ca²⁺ + 2PO₄³⁻ = Ca₃(PO₄)₂

Na₂SO₃ + 2HCl = 2NaCl + SO₂ + H₂O

2Na⁺ + SO₃²⁻ + 2H⁺ + 2Cl⁻ = 2Na⁺ + 2Cl⁻ + SO₂ + H₂O

SO₃²⁻ + 2H⁺ = SO₂ + H₂O

2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O

2Na⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + 2H₂O

H⁺ + OH⁻ = H₂O

Похожие вопросы
Предмет: Русский язык, автор: gulzadamailru
Предмет: Русский язык, автор: Валерия20062111
Предмет: Английский язык, автор: lutko1983
Other, The Other, Another
Exercise 1

Supply a form of OTHER to complete the following sentences.

Look at your hand. There is a total of five fingers. One is your thumb, ... is your index finger, ... is your middle finger. One finger is your ring finger. And ... finger is your little finger.

Look at your hands. One is your right hand. ... is your left hand.

I talked to a lot of people. Some said that in some circumstances they would do as they had done before, ... told me that if they had known what it would come to they wouldn't have ever done it.

Then I read the novels of George Meredith one after ... .

I made few friends in those days, for I was occupied with ... things.

I got three letters. One was from my father, ... one was from my sister.... letter was from my girlfriend.

I would like to read more about this subject. Do you have any ... books that you could lend me?

Some people prefer classical music, but... prefer rock music.

9. There are many means of transportation. The airplane is one. ... are the horse, the train, the automobile
There are many means of transportation. The airplane is one. The train is ... .

There are two women standing on the corner. One is Helen Yanse and ... is Pat Hendericks.

23

12. Thank you for inviting me to the picnic. I'd like to go with you but I've already made ... plans.

13. One of the countries I would like to visit is Sweden. ... is Mexico. Of course, besides these two countries, there are many ... places I would like to see.

14. They were going to get what they wanted, one way or ... .

15. The bar was kept by two very nice girls, one was American and ... English.

16. ... people have told me the same things.

17. Most of the guests have already arrived, and I'm sure that all of... will be here soon.

18. I have been in only three cities since I arrived in Britain. One is London, and ... are Oxford and York.

19. They have three children. One already has a job, ... is at the University of Ohio.

20. He was always somewhat indifferent to the feelings of ... .

21. Why are you alone? Where are ... ?

22. The houses on ... side of the river were built out of gray stone.

23. The servant opened the door and ushered in ... visitor.

24. Would you like ... cup of tea?

25. In just... three weeks he will be a married man.

26. When his alarm went off this morning, he shut it off, rolled over, and slept for ... twenty minutes.

27. He will graduate in ... two years.

28. I am almost finished, I just need ... five minutes.