Chapter 13, Problem 23QP

(a)

Interpretation Introduction

Interpretation:

Whether ${\text{H}}_2\text{O}$ is amphoteric or not.

(b)

Interpretation Introduction

Interpretation:

Whether ${\text{HSO}}_3^{-}$ is amphoteric or not.

(c)

Interpretation Introduction

Interpretation:

Whether ${\text{SO}}_4^{2-}$ is amphoteric or not.