user-avatar
527608541115453
2 năm trước
Cho 3 lít hốn hợp khí A gồm etylen và mentan(đktc)vào dd brom,dd brom nhạt màu người ta thu đc 1,88 gam đibrommentan a, tính khối lượng brom tham gia phản ứng b xác định thành phần % thể tích hỗn hợp đầu c, đốt cháy hoàn toàn 6,72gl đktc hỗn hợp A gầm etylen và nemtan ròi cho sản phẩm cháy hấp thụ vào dd NaOH, tính thể tích dd NaOH tối
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

( Nhớ giải thích vì sao dùm mình nhé! cám ơn nhiều! .-. 11. She is said .......very good at cooking A. be ; B. is ; C. to be ; D. A or C 12. I couldn't make my car .........this morning A. start ; B. to start ; C. started ; D. starting 13. He enjoys ........to music while he........ A. listening/ is driving ; B. listening/ to drive ; C. to listen/ drives 14. Have you decided where .........for your holiday? A. going ; B. go to ; C. go ; D. went 15. Would you mind .........the door? A. to close ; B. closing ; C. close ; D. to closing 16. It was late, so we decided ...........a taxi home A. take ; B. taking ; C. to take ; D. took 17. We were hungry, so I suggested........dinner early A. to have ; B. having ; C. have ; D. to having 18. Would you like ........to dinner on friday ? A. coming ; B. come ; C. to come ; D. A or C 19. He stopped ............, then tried ........... a box into a lorry A. talk/ to lift ; B. to talk/ lifting ; C. talking/ lifting ; D. talking/ to lift 20. Don't forget .............the lights before ..........out A. to turn off/ going ; B. turning off/ going ; C. to turn off/ go to 21. He is a doctor ........looks after my family A. which ; B. who ; C. A or B ; D. because 22. The house ........was built in 2000 is still modern A. who ; B. which ; C. and ; D. but 23. He ...........at this time last night A. reads ; B. read ; C. was reading ; D. was read

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