cho 16,8g bột sắt chát hết trong 6,4g khí oxi (đktc) tạo ra từ oxit sắt từ ( Fe3O4) a, Viết PTHH của phản ứng b, Tính khối lượng oxit sắt từ tạo thành

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1. she/ go/ How/ yesterday?/ did/ to/ school/ – bike./ By/ → ............................................................................................................................... 2. buy/ Where/ this/ did/ he/ hat?/ – the/ In/ supermarket./ → ............................................................................................................................... 3. do/ need/ a/ Why/ phone card?/ you/ – I/ need/ parents./ to/ phone/ Because/my/ → ............................................................................................................................... 4. is/ Lai Chau/ How far/ to/ it/ from/ Hanoi/? – 3 kilometres. → ............................................................................................................................... 5. neighbor/ What/ give/ did/ her/ her?/ – A/ flower./ bunch/ of/ → ............................................................................................................................... 6. We always have turkey on Thanksgiving. → ............................................................................................................................... 7. The Flower Festival is celebrated every year → ............................................................................................................................... 8. People organize this festival to pray for better crops. → ............................................................................................................................... 9. Peter went to Da Nang last month with his parents → ............................................................................................................................... 10. The Elephant Race Festival will be held in Don Village next year. → ...............................................................................................................................