Ta có 100ml dd a gồm các ion sau na+ 0.01mol h+ a mol cl0.02 mol và 400ml dd b gồm k+0.02mol ba2+!0.01 mol y mol. Tính pH dd sau phản ứng khi trôn dd a với dd b

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1 . Đặt câu hỏi cho các câu trả lời sau : 1 ............................................................................... ? I have English on Wednesday and Friday . 2. ……………………………………………………………………………………………………………………… ? Because I want to talk with foreigners. 3 ………………………………………………………………………………………………………………………? He often read English books in his free time. 4 ………………………………………………………………………………………………………………………? By writing emails to her friends. 5………………………………………………………………………………………………………………………? Yes, I love English. 6. ………………………………………………………………………………………………………………………? No, we don’t have English on Tuesday. 7………………………………………………………………………………………………………………………? Mai learns English by singing English songs. 8………………………………………………………………………………………………………………………? I write them in my notebook and read them aloud. 2. Điền vào chỗ trống bằng một từ thích hợp: 1. I often ……………………………… English lessons on Wednesday and Friday. 2. My brother ……………………………… watching English cartoon on TV. 3. He ……………………new words in his notebook and reads them aloud. 4. ……………………………… do you learn vocabulary? 5. I speak English every day with………………………………friends. 6. To practise speaking you can talk ……………………………… foreign friends. 7. He also learns English ……………………………… listening to English songs. 8. What foreign ………do you have at school? – I have English and Chinese. 9. To practise ………………………………, I write emails to my friends. 10. Why do you learn English? – ……………………I want to sing English songs. giúp mình 2 bài này với , đừng trả lời linh tinh để lấy điểm nhé . Cảm ơn trước