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Kubincpr
2 năm trước
Đốt 7,3 gam hốn hợp X gồm Na, Al trong bình chưa đầy khí O2, sau một thời gian thu được 8,9 gam hỗn hợp Y. Cho Y vào nước lấy dư, thu được 500 ml dung dịch A và 3,36 lít H2(đktc). a) tính khối lượng mỗi kim loại trong X. b) tính thể tích dung dịch HCl 0,5 mol tối thiểu cần dùng để phản ứng hết với dung dịch A.
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