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songjihyo0608
2 năm trước
18. Hoà tan hoàn toàn 3.34 g hỗn hợp 2 muối cacbonat của kim loại hoá trị II, III bằng dung dịch HCl dư ta thu được dung dịch A và 0.896 lít khí (đktc) . tính khối lượng muối clorua có trong dung dịch
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