38. What is the oxidation number of manganese in K4[Mn(CN)6]? (A)2+ (B) 3+ (C) 4+ (D)6+

38. What is the oxidation number of manganese in K4[Mn(CN)6]?
(A)2+
(B) 3+
(C) 4+
(D)6+

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統計： A(4), B(0), C(0), D(0), E(0) #3840048

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B1 · 2026/03/16

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5. The following two reactions are important in the blast furnace production of iron metal from iron ore (Fe2O3): Using these balanced reactions, how many moles of O2 are required for the production of 2.51 kg of Fe? (Molecular weight of Fe = 55.85 g/mol) (A)33.7 moles (B) 15.0 moles (C) 135 moles (D)44.9 moles (E) 1.88 moles

38. What is the oxidation number of manganese in K4[Mn(CN)6]?
(A)2+
(B) 3+
(C) 4+
(D)6+

詳解 (共 1 筆)

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