user-avatar
chitahnh6014
2 năm trước
Cho một lượng mạt sắt dư vào 500ml dung dịch HCl, sau phản ứng thu được 3,36 lít khí H2 (đktc). Nồng độ mol của dung dịch HCl đã dùng là (A) 0,7M (B).0,5M. (C) 0,6M. (D) 0,8M.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

8. People report that the economy will grow by 2% this year  the economy 9. Journalists have reported that the President is ill  The President 10. Everyone knows that the statement was untrue.  the statement 11. Many people believe that the climate is changing.  The climate… 12. Everyone knows that he has been in prison 13. Many people say that the new prices are too high.  the new prices 14. They claim that this diamond is the largest in the world.  The diamond……. 15. I hate people staring at me  I 16. I don’t like people talking about me (object)  17. Everyone thought that he was lying –  He 18. People believe that a spy revealed the secret.  A spy… 19. Journalists report that the war is over  The war 20. People think that the wheel was invented three or four thousand years ago  The wheel MIK ĐANG CẦN GẤP Ạ

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