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hellokittyjakuti
2 năm trước
. Để trung hoà hết 500ml dung dịch chứa NaOH 1M và Ba(OH)2 0,5M cần 100ml dung dịch HCl. Tính nồng độ mol dung dịch HCl đã dùng trình bày chi tiết và rõ rang => 5* và ctlhn
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