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quangtuan6036
2 năm trước
Cho 9,6 gam bột kim loại N (hóa trị không đổi) vào 250 ml dung dịch gồm Fe(NO3)2 0,6M và Cu(NO3)2 0,2M rổi khuấy cho đến khi các phản ứng xảy ra hoàn toàn, thu được dung dịch X và 16,4 gam chất rắn Y. a)Xác định kim loại N. b)Tính nồng dộ mol/l của chất tan trong X, coi V dung dịch không thay đổi trong toàn quá trình.
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