(1)3HCO 3 -
(2)
(3)C 2H 5OH
(4)(NH 4) 2SO 4
(5)CaCO 3+2HCl==CaCl 2+H 2O+CO 2↑
(6)NaOH+HCl==NaCl+H 2O
(7)Fe 2O 3+3CO
2Fe+3CO 2
(8)Cu+2AgNO 3=Cu(NO 3) 2+2Ag
(9)AgNO 3+KCl==AgCl↓+KNO 3
(1)3HCO 3 -
(2)
(3)C 2H 5OH
(4)(NH 4) 2SO 4
(5)CaCO 3+2HCl==CaCl 2+H 2O+CO 2↑
(6)NaOH+HCl==NaCl+H 2O
(7)Fe 2O 3+3CO
2Fe+3CO 2
(8)Cu+2AgNO 3=Cu(NO 3) 2+2Ag
(9)AgNO 3+KCl==AgCl↓+KNO 3