user-avatar
Lai548151
2 năm trước
Đốt cháy hoàn toàn 6,6g một hidrocacbon X rồi đem toàn bộ sản phẩm cháy hấp thụ hết vào Ba(OH)2.Sau các phản ứng thu được 39,4g kết tủa và khối lượng phần dung dịch giảm bớt 8,8g. Tìm công thức phân tử X
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. _______ we go to the beach if it were cloudy? a. Do b. Would c. Will d. Can 2. It’s Monday today, but if it _______ Sunday, I _______ to the beach. a. were - would go b. is - can go c. is - could go d. was - will go 3. Bernard _______ late for school if he _______ the bus. a. wouldn’t be — missed b. won’t be - misses c. will be — misses d. would be — didn’t miss 4. If I were you, I _______ listen to your parents. a. should b. must c. have to d. would 5. I don’t know her phone number. _______ her if I knew it. a. I’d call b. I’ll call c. I call d. I won’t call 6. If it _______ tomorrow, we _______ have to water the plants. a. rained - would b. will rain - wouldn’t c. rains — won’t d. didn’t rain — will 7. She could enter university if _______ it. a. she passes b. she’d pass c. would pass d. she passed 8. I _______ be able to sleep if I hear engine noise. a. will b. won’t c. can d. mightn’t 9. Huong will do the exercises again if she _______ a lot of mistakes. a. made b. make c. makes d. will make 10. I wouldn’t go there if I _______ you. a. were b. am c. be d. was

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