Sục a mol CO2 vào dung dịch chứa 1,5 mol KOH thu được dung dịch có chứa 0,5 mol K2CO3. Tính a mol CO2. Dạng này chia trường hợp như thế nào vậy ạ?

Các câu hỏi liên quan

III. Make questions for the underlined words or phrases 1. The party wil start at seven o’clock in the morning. Từ gạch chân: at seven o’clock in the morning. 2. I’m talking to Mrs. Nga. Từ gạch chân: Mrs. Nga 3. It’s five kilometers from our house to the mountain. Từ gạch chân: five kilometers 4. Her family name is Tong. Từ gạch chân: Tong. 5. They live at 83 Son Tay Street. Từ gạch chân: at 83 Son Tay Street. 6. Vietnamese teenagers help old people by cleaning their yards or painting their houses. Từ gạch chân: by cleaning their yards or painting their houses. 7. Viet doesn’t want to go to my house because he has too many assignments. Từ gạch chân: because he has too many assignments. 8. It is Thursday tomorrow. Từ gạch chân: Thursday 9. Lien’s brother is practicing the guitar now. Từ gạch chân:the guitar 10. My uncle and I go to the tennis club once a week. Từ gạch chân: once a week. 11. They will fly to Brazil next month. Từ gạch chân:to Brazil 12. We are going to visit the Natural Science Museum next weekend. Từ gạch chân: next weekend. 13. You should invite our former classmates to your birthday party. Từ gạch chân:our former classmates 14. Trung usually borrows his brother’s motorbike. Từ gạch chân:his brother’s 15. Our children have to do a lot of homework every day. Từ gạch chân:a lot of 16. The souvenir shop is in front of the book store. Từ gạch chân:in front of the book store. 17.It’s five kilometers from my house to the supermarket. Từ gạch chân:five kilometers 18. It takes Mr. Lan fifteen minutes to walk to work Từ gạch chân:fifteen minutes 19. We go to Ho Chi Minh City by train. Từ gạch chân: by train. 20. Trung will mail his letter to Bruce, his pen pal. Từ gạch chân:Bruce, his pen pal.