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vuthoasptn
2 năm trước
Bài 5: Hòa tan hoàn toàn 10,4 gam hỗn hợp gồm Mg và MgO cần dùng vừa đủ 600 ml dung dịch HCl nồng độ 1M. Tính: a, Khối lượng mỗi chất trong hỗn hợp ban đầu. b, Thành phần phần trăm về khối lượng mỗi chất trong hỗn hợp ban đầu. c, Thể tích khí H2 (đktc) thu được sau phản ứng.
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