1.the following acids are listed in order of decreasing acid strengh in water
HI>HNO2>CH3COOH>HClO>HCN
according to Bronsted-Lowry theory, which of the following ions is the weakest base?
2.二質子酸H2A,其Ka1=1.0X^-6,Ka2=1.0x10^-10,如果H2A水溶液之濃度為1.0M,其pH值為何?