Ngày tải lên :
26/10/2014, 15:00
... 0,75M B 0,5M v 0,75M C 0,75M v 0,5M D 0,75M v 0,1M Cõu 4: Cho 9,3g amin no n chc, bc tỏc dng vi dung dch FeCl2 d thu c 10,7g kt ta CTPT ca amin l: A CH3NH2 B C2H5NH2 C C3H7NH2 D C4H9 NH2 Cõu 5: ... dung dch NaOH loóng to dung dch Y v khớ Z, cho Z tỏc dng vi dung dch hn hp gm NaNO2 v HCl to khớ T Cho 11 ,55 gam X tỏc dng vi dung dch NaOH va , cụ cn dung dch thu c s gam cht rn khan l A 9 ,52 ... to dung dch Y v khớ Z, cho Z tỏc dng vi dung dch hn hp gm NaNO2 v HCl to khớ P Cho 11 ,55 gam X tỏc dng vi dung dch NaOH va , cụ cn dung dch thu c s gam cht rn khan l: A 14,32 g B 9 ,52 g C 8,75...