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Trộn 150ml dung dịch HCl 10% (có D = 1,047g/ml) với 200ml dung dịch HCl 2M thì thu được dung dịch có nồng độ mol bằng? A. 2M B. 3M C.1,162M D.2,325M Giải thích tại sao?
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