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minanhi2309
2 năm trước
Hòa tan 16,8g sắt vào 300ml dung dịch axit clohidric (HCl) Tính thể tích khí sinh ra ở (25°C 1 bar ) Tính nồng độ mol dung dịch axit clohidric Tính khối lượng muối thu được *giúp mình với mình cần gấp ạ
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GIÚP MÌNH VỚI MÌNH CẦN GẤP. HỨA VOTE CÓ GIẢI THÍCH HAY KHÔNG CX ĐƯỢC ĐĂNG MẤY LẦN RỒI MONG CÁC BẠN GIÚP BUỒN QUÁ Ex3: Give the correct forms of the words given in brackets. 1.Be _____________ with what you drink. (CARE) 2. The Japanese eat ____________, so they live for a long time. (HEALTH) 3. You should spend _____________ time playing computer games. (LITTLE) 4. Getting plenty of rest helps you to avoid ____________. (DEPRESS) 5. Sleep __________ and you will feel better. (MUCH) 6. It’s such a ______________ day that we should do something outdoors. (BEAUTY) 7. Stay in shape is the most ______________ tip. (IMPORTANCE) 8. I avoid ___________ you shouldn’t eat much junk food. (OBESE) Ex4: Complete the gaps with a few, a little, much or many a. We don’t have ______________ friends here. b. There is only ______________ water in the glass. c. My sister eats ______________ apples every day. d. There are only ______________ tall houses in this village. e. There’s not ______________ food in the cupboard. f. Shall I __________ milk in your coffee? g. We are going to stay at the beach for _____________ days. h. Only ____________ students are going to fail the exam. i. We only have ____________ petrol left. j. I don’t think _____________ people will come tonight.

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