user-avatar
nhungyeuai82
2 năm trước
Hòa tan hoàn toàn a gam hỗn hợp NaI VÀ NaBr vào nước thu được dung dịch X. Cho brom dư vào X thu được dung dịch Y. Cô cạn Y thu được b gam chất rắn khan. Tiếp tục hòa tan b gam chất rắn khan trong $H_{2}$O được dung dịch Z. Cho $Cl_{2}$ dư vào Z được dung dịch T. Cô cạn T thu được c gam chất rắn khan. Biết các PƯ xảy ra hoàn toàn và a+c=1,8b. Tính phần trăm kl của NaBr trong hỗn hợp ban đầu.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Past Simple or Present Perfect I. Mary at the party last night? ( be) 2. We already 2 sandcastles. ( make) 3. the film yet ? (begin) 4. A snake just my finger. (bite) the window with a football yesterday. (break) 5. Tom 6. The waiter the bottle of wine yet. (not bring) 7. They a new house last year. (build) a necklace for my mum 2 years ago. (buy) 8. I 9. The police already the thieves. ( catch) 10. you the wedding dress yet ?( choose) 11. He London. (visit) never 12. How much smart phones 3 years ago? ( cost) 13. YOU ever your finger while cooking? ( cut) 14. They their project for over a month. (do) 15. Little Mike a flower for his mum yesterday morning. (draw) 16. My father a car since 2001. (drive) 17. We champagne the party yesterday evening. (not, drink) 18. you ever a carrot cake? ( eat) 19. Kate just off her bike.( fall) 20. I so happy in my life.( feel) never 21. The boys in the school yard last Thursday. ( fight) 22. he his wallet yesterday afternoon? (find) 23. They to LA yesterday.( fly) 24. I to London yesterday. I missed the plane. ( not, fly) 25. he ever his wife's birthday? ( forget) 26. I you a book last weekend. (give) 27. Mary just to the library.( go) 28. My grandma vegetables in her garden last year.( grow) 29. How long they themselves in the forest (hide) 30. I my computer since last July.( have) he ever a lion roaring? ( hear) 31. a tiger cub in her hands. (hold) 32. She never

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