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trus2lun
2 năm trước
Câu 2: Cho 29,21 gam hỗn hợp gồm Ag và Zn tác dụng hết với 200 gam dung dịch HCl thu được 5600 ml khí (đktc).a. Tính thành phần % khối lượng mỗi kim loại theo khối lượng.b. Tính nồng độ % HCl và nồng độ % chất tan trong dung dịch thu được.
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