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hmh17062001
2 năm trước
. Hòa tan hai muối X, Y vào nước được 1 lit dung dịch chứa: [Zn2+] = 0,2M; [Na+] = 0,3M; [ ] = 0,15M; [ ] = p (M). a. Tính p b. Tìm công thức hai muối X, Y ban đầu. Tính khối lượng mỗi muối đem hòa tan.
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