... H2SO4 c, núng (gi thit SO2 l sn phm kh nht) Sau phn ng xy hon ton, thu c A 0,02 mol Fe2(SO4)3 v 0,08 mol FeSO4 B 0,12 mol FeSO4 C 0,05 mol Fe2(SO4)3 v 0,02 mol Fe d D 0,03 mol Fe2(SO4)3 v 0,06 ... CH3CH2COOH v C6H5OH C C2H4(OH)2, (COOH)2, HCHO, CH3CHO v CH3COCH3 D C3H5(OH)3, CH2OH(CHOH)4CHO, H2NCH2COOH v CH3COOC2H5 Câu 27 : Nung hn hp bt gm 15,2 gam Cr2O3 v m gam Al nhit cao Sau phn ng hon ... Mg(NO3)2, dóy gm cỏc cht u tỏc dng c vi dung dch Ba(HCO3)2 l : A HNO3, Ca(OH)2, KHSO4, Mg(NO3)2 B HNO3, Ca(OH)2, KHSO4, Na2SO4 C NaCl, Na2SO4, Ca(OH)2 D HNO3, NaCl, Na2SO4 Câu 45 : trung hũa dung...