Cho 200ml dd A chứa 0.01 mol Mg2+; 0.02mol NH4+; a mol SO4 2-; 0.02mol Cl- vào 200ml dd Ba (OH)2 0.1M. Tính m kết tủa và V khí ở đtkc thu được sau pư

Cho 270ml dd Ba (OH)2 0.2M vào dd X chứa 0.025mol CO3 2-, 0.1 mol Na+, 0.25 mol NH4+, 0.3 mol Cl- và đun nóng nhẹ thu được dd Y. Khối lượng dd Y giảm đi bao nhiêu gam so với khối lượng các dd ban đầu

1.That woman was a secretary. We were waiting for her

That woman...

2. Do you know the man? His car is in front of my house

Do you know...

3. The music sound strange to us. We are listening to it

The music...

4. Mrs. Linda has bought a big house. Her dog is very fiecre

Mrs. Linda...

5. The girl is my classmate. She live opposite my house

The girl....

6. The doctor is with the patient. The patient's leg was broken in an accident

The doctor...

7. This book contains some useful imformation. I found it last week

This book...

8. Mr. Bryant looks very sad. His team has lost the game

Mr....

9. This is the book. I've been looking for this book

This is...

10. The town is at the seaside. I grew up there

The....

11. I have not decided the day. I'll go to london on that day

I have...

12. She is the woman. I wrote to her.

She is...

13. W want to becom a judge. W's brother is a lawyer

W...

14. The call off the wild was his best-known novel and it's still popular now

15. This is Cho Ray hospital and it's one off the biggest hospital in HCM City

This...

16. That is not policeman. They saw him chasing the robber

That...

17. He passed the note to tge girl. The girl cried as she read it

He...

18. Please tell me the reason. You don't go to the school for that reason

Pleason...

19. Everybody tells about the danger. The patient has just escaped for that danger

Everybody...

20. The boy helped me carry the bag. I tipped him

I tipped him...

21. The boys must start their duties tomorrow. Their name were taken down

The...

22. The teacher is speaking to his pupils. You've met him in the street

The...

23. The basker contained fruit. She was talking it to the old man

She...

24. The woman wanted to see the teacher. Her son gave up learning two days ago

The...

25. The girl is cooking the dinner in the kitchen. She is my sister

The...

26. The boy is looking for the job. He is my friend

The...

27. The man is a friend of my uncle's. He is playing the piano in the band

The...

28. This is the colour tv. My father bought it yesterday

This...

29. The thief has not been found yet. He ran away from the prison

The...

30. I know a wood. You can find beautiful flowers there

I...

31. The bookbintroduces Shakespeare's life. I'm reading it

I...

1. Do you know the librarian? She keeps the library.

ð Do you_______________________________________________________________________________________ .

2. This is the goal – keeper. His brother is my friend.

ð This is________________________________________________________________________________________ .

3. The woman spoke to me. She was very helpful.

ð The woman__________________________________________________________________________________ .

4. The man is a professor. He’s going to give a lecture to our students.

ð The man_____________________________________________________________________________________ .

5. The artists performed many wonderful shows. We met them yesterday.

ð The artistis___________________________________________________________________________________ .

6. My father bought a motorbike. The motorbike costs 2 thousand dollars.

ð My father____________________________________________________________________________________ .

7. She found a dog. Its leg was broken.

ð She___________________________________________________________________________________________ .

8. They are the children. Their team won the match.

They are...

9. My brother very kind to everyone. you met his wife last week

My brother.....

10. Those books belong to Ann. They are on the table

those....

11.tom is very careless.he lost his watch yesterday

tom...