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Chemistry, 03.08.2021 15:00 kittyrainbowsli1

Cho 1,44 gam bột kim loại R (II) vào 100 ml dung dịch chứa 2 muối CuSO4 và FeSO4 sau khi phản ứng kết thúc thu được dung dịch A và rắn B ( có khối lượng 3,76 gam ) a) Xác định kim loại R , biết R hoạt động mạnh hơn Fe và không tan trong nước
b) Tính nồng độ mol của chất có trong A

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Cho 1,44 gam bột kim loại R (II) vào 100 ml dung dịch chứa 2 muối CuSO4 và FeSO4 sau khi phản ứng kế...
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