a. $HClO_4$: Strong acid. b. $HClO$: Weak acid. c. $H_2SO_4$: Strong acid d. $H_2SO_3$: Weak acid.
Work Step by Step
1. Analyze the table 13-8. (Page 565) If the acid has a $K_a \geq 1$, it is a strong acid; otherwise, it is weak.
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