user-avatar
vanvan2k
2 năm trước
Cho V lít dung dịch NaOH 1M vừa đủ vào 200ml dung dịch hỗn hợp X gồm HCl 0,1M, FeCl2 0,2M. S phản ứng thu được m cam kết tủa. Giá trị Và và m lần lượt là A.0,06 lít và 1,8g B.0,06 lít và 3,6g C.0,1 lít và 1,8g D.0,1 lít và 3,6g
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Đọc đoạn văn và chọn đáp án phù hợp. Last Sunday, Lan didn’t go to school. But she went to her friend’s birthday party. She got up early in the morning, went to shop, and bought some gifts and flowers. Then, she went to her friend’s house. At the party, she ate a lot of cakes and drank soft drink. She danced beautiful, sang many songs, and told a lot of interesting stories. All her friends were there too. They played games such as hide and seek, skipping rope and cards. They were very happy and enjoyed themselves a lot. Finally, the party came to an end. They said goodbye to each other and went home late in the evening. 1. Last Sunday. Lan ----------------- go to school. A. didn’ t B. don’t C. did 2. She went to her ----------------- birthday party. A. friend B. friends C. friend’s 3. At the party, she ate a lot of cakes ----------------- drank soft drink. A. end B. and C. A and B are correct 4. They ----------------- games such as hide and seek, skipping rope and cards. A. played B. fly C. place 5. They said goodbye ----------------- each other and went home late in the evening. A. too B. two C. to Đọc đoạn văn và khoanh tròn vào đáp án A, B, C, hoặc D thích hợp để điền vào chỗ trống trong đoạn văn. Tony and his friends (1) ...............have a trip to Vietnam next summer. At first, they are going to Hanoi (2) ................plane and they are going to stay there in two days. Then they are going to travel to Ha Long and Hue. They are going to visit a (3) .......................of places of interest and some primary schools in Hanoi. They are going to (4) .................. students in the schools practice speaking English. Finally, they are going to fly back to England (5).............Hanoi. 1. A. is going B. are to C. are going to D. had to 2. A. to B. by C. with D. for 3. A. many B. some C. few D. lot 4. A. help B. visit C. ask D. go 5. A. to B. from C. for D. on

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team