Ngày tải lên :
30/07/2014, 23:21
... http://giasuams.com/ Liờn h : 04.39152590 - 0 989 7 685 53 (Linh) Sao b ng l nh giỏ V Kh c Ng c 0 985 052510 Uploaded by VNMATHS.TK A C3H8 B C3H6 C C4H8 D C3H4 ỏp s : C C4H8 H p d ng ph ng phỏp t ch n l khớ ... NaHCO3 h n h p X theo th t l: ta tỡm ỏp i thu A 8, 4 gam v 1,6 gam B 1,6 gam v 8, 4 gam C 4,2 gam v 5 ,8 gam c 6,9 gam D 5 ,8 gam v 4,2 gam ỏp s : B 1,6 gam v 8, 4 gam H S ph n ng nhi t phõn: 2NaHCO3 Nh ... 7,2 gam H2O Thnh ph n A 31,03% FeO v 68, 97% Fe2O3 B 35,16% FeO v 64 ,84 % Fe2O3 C 41,24% FeO v 58, 76% Fe2O3 D 50,0% FeO v 50,0% Fe2O3 ỏp s : A 31,03% FeO v 68, 97% Fe2O3 H vukhacngoc@gmail.com ng...