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tlinh2008
2 năm trước
Mọi người giải giúp em với ạ Câu 1: Hoà tan m gam Al bằng dd HNO3 vừa đủ, sau phản ứng thu được 2,24 lít khí NO và 3,36 lít khí N2O. Tìm V ? (Không còn sp khử nào khác). Câu 2 : Cho 1,77g hỗn hợp X gồm Cu và Al tác dụng với lượng vừa đủ dd HNO3 loãng, thu được dd Y và 0,896 lít NO (sp khử duy nhất). Tính khối lượng mỗi kim loại trong hh ban đầu.
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