Chapter 9.3, Problem 9.9PP

Label the stronger acid in each pair. Which acid has the stronger conjugate base?
a. ${\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}{\text{ or H}}_{\text{3}}{\text{PO}}_{\text{4}}$
b. $\text{HF or HCI}$
c. ${\text{H}}_2{\text{CO}}_3{\text{ or NH}}_{\text{4}}{}^{+}$
d. $\text{HCN or HF}$
More Practice: Try Problems 9.45. 9.46, 9.49, 9.50.