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thieunguyenkhanh2508
2 năm trước
Cho 1,52 g hỗn hợp hai kim loại ( có hóa trị II ) tác dụng hết với dung dịch H2SO4 loãng, dư thấy có 0,336 lít khí thoát ra ( ở đktc ). Tính khối lượng hỗn hợp muối sunfat khan thu được ( H = 1, S = 32, O = 16)
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