49. The relationship between 1 and 2 is: ________. H CH2OH OH H HOH2C HO HO OH OH OH 1 2 H H (A) constitutional isomers (B)same compound (C) enantiomers (D)diastereomers (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

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

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