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Corshi89
2 năm trước
Cho 100g dd CuSO4 16% vào trong 200g dd NaOH 10% a) tính khối lượng kết tủa sinh ra b) tính nồng độ phần trăm của dd sau phản ứng
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REVISION FOR GRADE 7 (04-03-2020) * Change into the plural form: Ex: It is a ruler. -> They are rulers. 1. It is a bookshelf. -> ………………………………………………… 2. This is my house. -> ………………………………………………… 3. That was her pencil. -> ………………………………………………… 4. He is listening to music now. -> ………………………………………………… 5. Their school was near a river. -> ………………………………………………… 6. She has a new school bag. -> ………………………………………………… 7. It is my teacher. -> ………………………………………………… 8. He watches television every morning. ->………………………………………………… 9. I was on a farm yesterday. -> ………………………………………………... 10. She is going to visit me tomorrow. -> ……………………………………………….. The end,

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