写出下列离子方程式:
(1)泡沫灭火器原理:__________________________________________________________________
(2)胃舒平治疗胃酸过多:____________________________________________________________
(3)FeS除去废水中铅离子:_____________________________________________________
写出下列离子方程式:
(1)泡沫灭火器原理:__________________________________________________________________
(2)胃舒平治疗胃酸过多:____________________________________________________________
(3)FeS除去废水中铅离子:_____________________________________________________