Chapter 18, Problem 106E

(a)

Interpretation Introduction

To determine:

a. A solution which has $\text{.022}\text{M}{\text{Fe}}^{\text{2+}}$ and $\text{.014}\text{M}{\text{Mg}}^{\text{2+}}$ ,the cation that will precipitate first on addition of ${\text{K}}_{\text{2}}{\text{CO}}_{\text{3}}$ and the minimum concentration of ${\text{K}}_{\text{2}}{\text{CO}}_{\text{3}}$ that causes the precipitation.

(b)

Interpretation Introduction

To determine:

b. The remaining concentration of cation that precipitates first