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QuanNguyenAnh
2 năm trước
16/ *A và B là 2 dung dịch axit clohidric có nồng độ khác nhau. Trộn lẫn 1 lít A với 3 lít B, ta được 4 lít dd D. Để trung hòa 10ml dd D cần 15ml dd NaOH 0,1M. Trộn lẫn 3 lít A với 1 lít B, ta được 4 lít dd E. Cho 80ml dd E tác dụng với dd AgNO3 (lấy dư) thu được 2,87g kết tủa. Tính nồng độ mol của các dd A, B, D, E.
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