Water has an equivalent conductance of 6.0 10 8 ohm 1 at 25°C, and that of liquid HF is
1.4 10 5 ohm 1 . Therefore, the ion product constant for HF ionization is approximately 8 10 12 ,
which is larger than the value of 1.0 10 14 for water. The HF 2 ion has a symmetric linear structure