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JSTaCuong
2 năm trước
Cho một lượng dư dung dịch AgNO3 tác dụng với 100 ml dung dịch chứa hỗn hợp NaF 0,4M; NaBr 0,5M và NaCl 0,2M. Khối lượng kết tủa thu được là: A. 12,27gam B. 17,35gam C. 9,4 gam D. 13,6 gam
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