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thuanthaobui
2 năm trước
Đề là : cho 50g hỗn hợp gồm hai muối NaHSO3 và Na2CO3 vào 200g dd HCL 14,6% . Hỏi phản ứng có xảy ra hoàn toàn không? Giải thích hộ mình là ở chỗ tính số mol HCl thì 36,5 là gì vậy và phần dưới nữa , không biết tính thế nào mà ra như vậy ạ, giải thích hộ mình với , gấp lắm🥺
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chia động từ 1.He bought a Vietnamese - English dictionaly and ( give ) ....... it to me 2. The coffee was all right , but the cream (be)....... sour 3. He has a piano anh a violin , but he ( not have )........a flute 4.He says that he (arrive )................on time tômrrow 5.I think that victor (be)...........late 6.I(be)...............there when you arrive 7.The were still waitting when i (get).......there 8.He has worked very hard since he (be).......here 9.We decided to go home because it (be)..........very late 10.I (not seen)........him since he (arrive)... 11.the teacher give us too many assignments,that we(can not )..........go to the concer 12.It was such a beautiful dayy that i (feel)..............like taking a walk . 13.He works on Sundays so that he (can).......earn money to pay his tuition . 14.I (be).........busy since we last met. 15.I'm very fond of jane but i (not see)........much of her lately . 16. There (be)....no guests at all since i left ? 17.I never (see)........anyone more beautifullthan your wife. GIÚP EMMM

1. Minh looks (thin) _____ ____________ than he did. 2. Mountains are (big) ______ ____________ than hills. 3. School days are the (happy) _ _________________ of my life. 4. Who is (good) ________ __________, Tom or Tim? 5. The air in the city is much (dirty) __ ________________ than that in the country. 6. The Mekong River is the (long) ___ ______________ river in Vietnam. 7. My sister is (old) _____ ____________ than I. 8. Nam is (short) __ ________ than Ba. He is the (short) ___ ____in his class. 9. Your house is (large) ____ _____________ than my house. 10. It is the (modern) ______ ____________ building in this city. That movie was (interesting) …………… ………………..than the one on TV. 11. We have got (little) …… ……………………………..time than I thought. . Lan is (clever) …… …………….. and (pretty) ……… ……………… than Lien. 12. . Health and happiness are (important) … ….. than money. 13. . Who among these milkmaid work is the (good) … ……………..? 14. . This old machine is (powerful) …… ……………..than I thought. 15. . The farmers have never had a (rich) ………… ………………..harvest than that. 16. . He dances the (beautifully) …… ………..in the village. 17. . The lesson is (interesting) …… ……… than some years ago. . It was one of the (bad ) …… ……….. experience in my life. 18. . There were only 4 or 5 passengers on the bus yesterday. Is was (crowded) …… …than usual. 19. 1. My house is (big) … … than yours. 20. 2. This flower is (beautiful) … ………..than that one. 21. 3. This is the (interesting) … ……book I have ever read. 22. 4. Non-smokers usually live (long) …… r……..than smokers. 23. 5. Which is the (dangerous) ………..animal in the world? 24. 6. A holiday by the sea is (good) than a holiday in the mountains. 25. 7. It is strange but often a coke is (expensive) … ………….than a beer. 26. 8. Who is the (rich) …….woman on earth? 27. 9. The weather this summer is even (bad) … …………………than last summer. 28. 10. He was the (clever) ………… ……………………….thief of all. 29. 1. Los Angeles is (large) …………… than Chicago. 30. 2. But New York is the (large) … ……………….. city of the United States. 31. 3. The weather in Hollywood is (good) … ……….. than in New York or New Jersey. 32. 4. Nestor Studios is the (old) … ………………………movie company in Hollywood. 33. 5. Disneyland is (interesting) … …………………than any other amusement park

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