Khi nung kali clorat một phần phân huỷ thành oxi, một phần phân hủy thành KClO4 và KCl. Nếu đem nung hoàn toàn 44,1 lít KClO3 thì thu được 6,72 lít khí Oxi. Khối lượng KCl trong bã rắn thu được sau phản ứng là A. 14,9g B. 2,98g C. 17,88g D. 16,62g Trình bày tự luận ạ

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REWRITE Although/ in spite of 1. Although he got up early, he was late for the first train. à In spite …..……………………………………………... 2. Though English grammar is difficult, we like to study it. à In spite …...……………………………………………... 3. Although he is an excellent doctor, he can’t cure liver cancer. à Despite …..…………………………………………….. 7. Although my friend doesn’t have enough money, she wants to buy that new car. à Despite ………………………………………………… 8. Although Mai didn’t speak English well, she decided to live in London. à In spite ………………………… 9. Although he is sick, he goes to school. à In spite of ……………………………………………… 10. Although Lan was tired, she did all her homework carefully. à Despite ….…………………………………………….. 11. Despite the narrow streets, many people drive cars in this city. à Though ….…………………………………………….. 12. In spite of the high prices, my daughters insist on going to the movie. à Although ….…………………………………………… 13. They worked very hard in spite of their old age. à Although …..…………………………………………… 14. Everybody has a great regard for her despite her poverty. à Although ……………………………………………… Because/ because of 1. Peter didn’t go to school yesterday because he was sick. à Because of …….……………………………………… 2. Mary went to bed early because she felt tired. à Because of ….………………………………………… 3. She didn’t go to the circus with Betty because she had a bad cold. à Because of ….………………………………………… 4. John succeeded in his exam because he worked hard. à Because of ….………………………………………… 5. She stayed at home because her mother was sick. à Because of ….………………………………………… 6. I like him because his father is kind to me. à Because of …..………………………………………… 7. I couldn’t do the test because it was difficult. à Because of ……………………………………………… 8. I couldn’t do the test because it was difficult. àBecause of ……………………………………………… 9. We arrived late because of the bad traffic.  Because ………………………………………………………… 10. He couldn’t sleep because of his worries.  Because …………………………………………………………… 11. He is tired because of staying up late last night.  Because …………………………………………………………… 12. Maria couldn’t return home because of losing all her money.  Because …………………………………………………………… 13. Because of my friend’s absence, I have to copy the lesson for him.  Because ……………………………………………………………