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phamquanghuy7213
2 năm trước
Đề bài: Có 1 dung dịch A gồm HCl và HNO3 . Để trung hòa 10 ml dung dịch A cần 30 ml dung dịch NaOH 1M. a. Tính tổng nồng độ mol của 2 axit. b. Thêm AgNO3 dư vào 100 ml dung dịch A được 14,35 gam kết tủa và dung dịch B. Tính nồng độ mol của mỗi axit
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