Cho 200 ml dung dịch NaOH 1M tác dụng vừa đủ với 200 ml dung dịch HC1 thu được dung dịch X. (a) Tính khối lượng muối có trong dung dịch X. (b) Tính nồng độ mol của dung dịch X. Mình cần gấp ạ

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Ex 1: Chia động từ trong ngoặc ở dạng đúng 1. You (ever/go)……………………………….……………..to France? 2. School (start)……………………………………….. at 7 a.m every day. 3. you often (eat) …………………………… lunch in the school canteen? 4. Listen! he (watch) ……………………………in the room? 5. My brother (like)…………….. (play)…………………… football after school. 6. Would you like (drink)………..……………… a cup of coffee? 7. Mr. Nam (Teach)…………………. English at school since 1995. 8. I (learn)……………………………..English for 3 years? 9. She often (go)………………………….…..to bed at 11 pm. 10. He (not/ go )………………………………..out for dinner last night 11. If we (need)…………………………some help, we (ask)……………………... Ex 2: Từ trong ngoặc nằm giữa 2 từ nào trong các câu sau 1. Mary goes shopping at the supermarket (usually) => …………………….…………… 2. We are late for school (never) => ……………………………………………………… 3. Mark is sad (rarely) => ……………………………………………………………..… 4. My sister goes swimming (often) => ………………………………………………… 5. Our teacher is very friendly (always) => ………………………….………………… 6. David doesn't study the grammar before his tests (often) => ………………………… 7. Amalia should help her parents with the housework (sometimes)=> ………………