Hòa tan hết 26,4g hỗn hợp 2 kim loại Mg và Fe cần dùng vừa đủ V (ml) dung dịch HCl 1M, thu được 15,68 lít khí hidro (đktc) a. Tính V (ml) b. Cô cạn dung dịch sau phản ứng thu được bao nhiêu gam muối khan?

Các câu hỏi liên quan

VII. Choose the word (a, b, c, or d) that best fits each of the blank spaces. This composition is about my aunt's (1)......... in Florida last year. She hired a car at Miami (2)........ , and soon (3)..........lost. So, she stopped to ask a young man how to get to the hotel. Unfortunately, the young man had a gun; he made my aunt get (4)............ of the car, and she had to give him all her money. Luckily, a police car drove past a few minutes later and (5).......... . Then, the police arrested the thief and got my aunt's money back. (6)........ the end, my aunt had quite a good holiday, but she said that she was happy to get back home. 1. a. holiday b. vacation c. festival d. a & b 2. a. airport b. airway c. airplane d. airstrip 3. a. took b. had c. got d. caught 4. a. in b. out c. inside d. outside 5. a. picked her up b. picked up her c. showed her around d. showed around her 6. a. In b. At c. On d. When VIII. Make up sentences using the words and phrases given: 1. We/ used/ school/ on/ foot. ...................................................................................................................... 2. about / 30km/ my town/ Ha Long Bay/. ...................................................................................................................... 3. My family/ used/ go / holiday / seaside / summer/. ...................................................................................................................... 4. How/ long / it / take/ you/ Ha Noi / Sa Pa/? ...................................................................................................................... 5. There / used / be / a factory / town centre / but/ it / move/ the/ suburbs/. ...................................................................................................................... 6. You/ must / learn / about / road safety/ before/ riding/ your/ bike/ road/.