... FeSO4, CuSO4 D FeSO4 Bi Cho 12, 12 gam hn hp X gm Al v Fe tỏc dng vi dung dch HCl d thu c dung dch A v khớ H2 Cụ cn dung dch A thu c 41,94 gam cht rn khan Nu cho 12, 12 gam X tỏc dng vi dung dch ... khớ NO v NO2 cú d X/O2=1, 3125 Khi lng m l: A 5,6g B 11,2g C 0,56g D 1,12g - 37 - Ti liu dy bi dng mụn Húa lp 12 44 m gam phụi bo st ngoi khụng khớ, sau mt thi gian thu c 12 gam hn hp A gm Fe, FeO, ... Fe2(SO4)3 Sau cỏc phn ng xy hon ton, thu c m gam kim loi Giỏ tr ca m l A 6,40 B 16,53 C 12, 00 D 12, 80 12. (C-09)-Cõu 21 : Cho m gam Al vo 100 ml dung dch gm Cu(NO 3)2 0,3M v AgNO3 0,3M Sau cỏc...