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Chemistry, 25.07.2021 19:30 pamelaacuna

Cho 14,2g hỗn hợp Al, Fe, Cu vào 1,5 lít dung dịch HCL(vừa đủ) kết thúc phản ứng thu đc 8,96 lít khí ở điều kiện tiêu chuẩn và 3,2g chất rắn ko tan -Tính % khối lượng của mỗi kim loại trong hỗn hợp ban đầu -Tính nồng độ mol/l HCL đã dùng -Tính nồng độ mol/l của các chất thu đc sau phản ứng(coi thể tích thay đổi ko đáng kể) Hòa tan 9,28g hỗn hợp Mg và Fe vào dung dịch HCL 0,5M thu đc 4,48l khí ở điều kiện tiêu chuẩn -Tính % khối lượng mỗi kim loại ban đầu -Tính khối lượng muối thu đc sau phản ứng -Tính thể tích dung dịch axit đã sử dụng Mình cần gấp

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Cho 14,2g hỗn hợp Al, Fe, Cu vào 1,5 lít dung dịch HCL(vừa đủ) kết thúc phản ứng thu đc 8,96 lít khí...

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