问题
填空题
写出下列物质在水溶液中的电离方程式:
(1)NH3·H2O:___________________________,
(2)Ba(OH)2:___________________________,
(3)NaHSO4:___________________________,
(4)NaHCO3:___________________________ ,
(5)HBr:___________________________,
(6)CH3COOH: ___________________________。
答案
(1)NH3·H2O NH4++OH-
(2)Ba(OH)2=Ba2++2OH-
(3)NaHSO4=Na++H++SO42-
(4)NaHCO3=Na++HCO3-
(5)HBr=H++Br-
(6)CH3COOHCH3COO-+H+