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Chemistry, 27.07.2021 03:00 victoriakraus6599

: Hỗn hợp X nặng m gam gồm Fe và Zn được chia thành 2 phần bằng nhau. Phần 1: cho tác dụng với dung dịch HCl loãng, dư thu được 32,65 gam muối.
Phần 2: cho tác dụng với dung dịch H2SO4 đặc nóng, dư thu được 7,28 lít khí SO2 (đktc) – sản phẩm khử duy nhất.
Giá trị của m là

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