... C. 2, 4 gam D. 18,355 gam Hết Đáp án: 1B, 2D, 3C, 4C, 5C, 6B, 7C, 8C, 9C, 10D, 11B, 12C, 13A, 14C, 15C, 16B, 17C, 18A, 19A, 20 A, 21 B, 22 C, 23 A, 24 B, 25 B, 26 C, 27 B, 28 C, 29 C, 30C,31D, 32A, ... + 7H 2 O 2. Sn + 8HNO3 (đặc, nóng) Sn (NO3)4 + 4NO 2 + 4H 2 O 3. Sn + 2HCl otSnCl 2 + H 2 4. 2Sn + O 2 ot 2SnO 5. Sn(NO3) 2 + 2AgNO3 Sn(NO3)4 + 2Ag A. ... Fe(NO3) 2 , Na 2 SO4 D. FeSO4, Fe 2 (SO4)3, Na 2 SO4, NaNO3 Hoa 641 5/ 12/ 2 011. Trang 7 / 15 21 . Cho các dung dịch X1 (FeCl3); X 2 (KNO3); X3 (Cu(NO3) 2 + H 2 SO4l);...