1.a. Dung dịch HCl có pH=1. Để thu được dung dịch có pH =2 cần pha loãng dung dich HCl ban đầu bnh lần b. Cần thêm 2 lít dung dịch NaOH có pH=12 bao nhiêu lít nước cất để dung dịch pH=11 c. Trộn lẫn 3 dung dịch NaOH 0,02M; KOH 0,03M; Ba(OH)2 0,01M theo tỉ lệ thể tích tương ứng là 1:1:2 thu được dung dịch có pH là

Giúp mình vs mình cần gấp để lộp cho cô

11. He has twisted his ankle, so he can't play tennis this afternoon. => (NOT) Had _____________, he would have been able to play. * 12. We didn't follow the directions, that's why we got lost. => (WOULD) We ______________________ if we had followed the directions. * 13. You should read more to improve your vocabulary; that's what I'd do. => (WERE) If ______________________ read more to improve my vocabulary. * 14. Jenny can get a puppy only if she promises to take care of it. => (LONG) Jenny can get a puppy ____________________ to take care of it. * 15. I wouldn't mind being transferred to another city if they offered me a higher salary. => (CONDITION) I wouldn't mind being transferred to another city _____________________________ me a higher salary. * 16. Fortunately, they were wearing seat belts, so nobody was seriously injured. => (NOT) If ______________________ seat belts, they could have been seriously injured. * 17. You can borrow my camera providing that you handle with care. => (AS) You can borrow my camera ________________________ care. * 18. Provided she passed her exam, her parents will let her go to Italy for the holdays. => (ON) _________________her exam, her parents will let her go to Italy for the holdays. 19. Should you ever go to Colombia, visit the Museum of Gold in Bogota. => (happen) If _____________to Colombia, visit the Museum of Gold in Bogota. * 20. I think that you shouldn't drink so much coffee. => (WOULDN'T) If __________________ so much coffee.

Lm hộ tự luận vs ạ mik cần gấp

Vẽ mầm tuk!! NL: 1 thành phần thiểu năg nào đó

người ta xếp các hình lập phương nhỏ cạnh 1cm thành các hình dưới đây . Tính thể tích các khối hình đó

Viết câu nói về Lunar New Year dựa vào câu sau: Ex: My favourite memories of Christmas are spending time with my family and friends, and opening Christmas presents as a child.

vẽ mầm tức giận NL: ối dồi ôi, có tên để avatar người tuyết-phim bữa share đường lười bò, tức quá

Thực hiện phép so sánh cho những số sau:

Giups mình vs ạ mình cảm ơn đúng là đc mình hauws vote 5s ctlhn ạ