user-avatar
hathu123
2 năm trước
Chia 60,8 g hh X gồm FeO ,Fe2O3, Fe3O4 thành 2 phần bằng nhau . Phần một cho tác dụng hết với dd HCl dư thì thu được 57,9 g muối khan , phần 2 cho tác dụng vừa đủ với dd hh chứa HCl ,H2SO4 loãng thì thu được 60,4 g hh muối khan . Tính mol HCl trong dd Y? LM CÁCH NÀO DỄ HIỂU NHẤT NHA CÁC BẠN!!! GIÚP MIK VSSSSSSSSSSSSS!
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I My little brother, Carl, takes (53) ……………………………… our dad in that they both like to sing. The difference is that Dad’s got quite a good voice. Carl can’t sing at all! This doesn’t stop him, though. He’s always singing. He starts as soon as he wakes up, and doesn’t stop until he drops (54) ……………………………… at night. I usually get along very well (55) ……………………………… Carl, but he can be a bit annoying when he starts showing (56) ……………………………… You can count (57) ……………………………… him to do this whenever we have guests. My mum and dad will be talking to some friends, and then suddenly the conversation will be completely drowned (58) ……………………………… by Carl singing at the top of his lungs. The other day, I told him he should be on the radio. For a second he fell (59) ……………………………… it, until I told him that if he was on the radio, we could turn it off! II. Complete each second sentence using the word given, so that it has a similar meaning to the first sentence. Write between two and five words in each gap. 60. Was the concert fun? yourself Did …………………………………………………………………the concert? 61. I’m sure Kelly will do well in the talent contest. bound Kelly …………………………………………………………………well in the talent contest. 62. Don’t worry about your costume, concentrate on learning your lines! instead Concentrate on learning your lines …………………………………… about your costume! 63. We got there early and so we didn’t have to queue. avoid We managed to …………………………………………………………………there early. 64. Doug isn’t usually late. like It …………………………………………………………………be late. 65. Sean plays the guitar very well. talented Sean …………………………………………………………………the guitar. 66. You shouldn’t go backstage without a pass. supposed You …………………………………………………………………backstage without a pass. 67. I can’t understand why he won the award for best video. deserved I don’t think …………………………………..………………………the award for best video. 68. In the end, it was a thoroughly enjoyable evening. proved In the end, it …………………………………………………a thoroughly enjoyable evening. REALITY SHOWS IV Despite the (69) …………………………. (SUGGEST) by many critics that reality TV would be a very short-lived phenomenon, it is still increasing in (70) …………………………. (POPULAR). Several reality shows are (71) …………………………. CURRENT) watched by millions of viewers each night, and it’s clearly a form of (72) …………………………. (ENTERTAIN) that’s here to stay. Indeed, a number of people have become (73) …………………………. (FAME) because of their (74) …………………………. (INVOLVE) in reality TV shows, and have gone on to have successful careers as singers, (75) …………………………. (ACT) or TV presenters. We can watch with (76) …………………………. (EXCITE) each night the “goings-on” in the house (or jungle, or bar, or school of arts). The (77) …………………………. (CONVERSE) between the contestants are interesting so we don’t get (78) …………………………. (BORE), and there are frequently (79) …………………………. (VARY) conflicts, which provide further (80) …………………………. (AMUSE). If the contestants have to give some kind of (81) …………………………. (PERFORM) at the end of the week, that’s even more appealing. But there’s a (82) …………………………. (SAY) in the TV industry: “it’s all in the editing” and this is especially true of reality shows.

1. Where ___________you (live)____________? I (live)______________in Hai Duong town. 2. What he (do) _________________now? He (water)_________________flowers in the garden. 3. What _______________she (do)_____________? She (be)______________a teacher. 4. Where _________________you (be) from? 5. At the moment, my sisters (play)____________volleyball and my brother (play) ________________soccer. 6. it is 9.00; my family (watch)___________________TV. 7. In the summer, I usually (go)______________to the park with my friends, and in the spring, we (have) _____________Tet Holiday; I (be)________happy because I always (visit) ______________my granparents. 8. ____________your father (go)_____________to work by bus? 9. How ___________your sister (go)___________to school? 10. What time _____________they (get up)_________________? GIÚP MK VỚI....

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