50. The relationship between 1 and 2 is: ________. H CH2OH OH H HOH2C HO 1 2 CH2OH H OH CH2OH HO H (A) constitutional isomers (B)same compound (C) diastereomers (D) enantiomers (E) none of above

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

50. The relationship between 1 and 2 is: ________. H CH2OH OH H HOH2C HO 1 2 CH2OH H OH CH2OH HO H
(A) constitutional isomers
(B)same compound
(C) diastereomers
(D) enantiomers
(E) none of above

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