Chapter 14.5, Problem 36PP

Interpretation Introduction

Interpretation:

“If a base is added to pure water, why does the [ $H_3{O}^{+}$ ] decreases.” should be explained

Concept introduction:

• Acid: According to Arrhenius; a substance that increases the concentration of ${\text{H}}^{\text{+}}$ (hydrogen ion) in water is called acid. For example:

  $\text{HCl}\stackrel{{\text{H}}_{\text{2}}\text{O}}{\to }{\text{H}}^{\text{+}}{\text{ + Cl}}^{-}$

• Base: According to Arrhenius; a substance that increases the concentration of $O{H}^{-}$ (hydroxide ion) in water are called base. For example:

  $\text{NaOH}\stackrel{{\text{H}}_{\text{2}}\text{O}}{\to }{\text{Na}}^{\text{+}}{\text{ + OH}}^{-}$