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Tinnguyen2000
2 năm trước
Trong 50 ml dung dịch A có chứa 0,005 mol HCl a. Tính pH của dung dịch A b. Trộn 50 ml dung dịch NaOH 0,12 M vào dung dịch A nói trên. Tính pH của dung dịch sau khi trộn?
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