Chemistry, 10.09.2021 09:20, delphinelilly2846

Cho 40.4 gam hỗn hợp 3 kim loại Fe, Cu, Al vào dung dịch H2SO4 10% người ta thu được 1,8 gam H2 và 12,8gam một chất rắn không tan . Tính% khối lượng mỗi chất rắn hỗn hợp đầu

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Cho 40.4 gam hỗn hợp 3 kim loại Fe, Cu, Al vào dung dịch H2SO4 10% người ta thu được 1,8 gam H2 và 1...