Chapter 9, Problem 46P

Use the data in and 9.2 and 9.3 to label the stronger acid in each pair. Which acid in each pair hasthe stronger conjugate base?
a. ${\text{HPO}}_4^{2-}\text{ or HCN}$
b. ${\text{HSO}}_4^{-}{\text{ or HN}}_{\text{4}}{}^{+}$
c. ${\text{H}}_{\text{2}}\text{O or HF}$

Table 9.2 Relative Strength of Acids and Their Conjugate Bases
Table 9.3 Acid Dissociation Constants $(K_a)$ for Common Weak Acids