Question

麻烦写出下面反应的离子方程式.1.碳酸氢钠和醋酸溶液反应.2.碳酸氢钙溶液中加盐酸.3.向氯化亚铁溶液中通入氯气.4.磷

Answer 1

1,HCO3- + CH3COOH =CO2↑+ H2O +CH3COO-

2,HCO3- + H+ CO2+ H2O

3,2Fe2+ + Cl2 =2Fe3+ +2Cl-

4,H2PO4- + 2OH- =PO43- +2H2O

5,Fe3+ + 3NH3H2O?Fe(OH)3 +3NH4+

6,HCO3- + OH- =CO2↑ + H2O

7,NH3 +H2O +SO2 NH4+ SO3 2-