Chapter 8, Problem 8.33EP

(a)

Interpretation Introduction

Interpretation:

Mass percentage of $\text{NaCl}$ should be calculated from the given aqueous solution.

Concept Introduction:

Mass percentage of solute:

Mass percent of solute is given by,

    $\text{=}\frac{\text{Mass of solute}}{\text{Total mass of the solution}}\text{×}\text{100}$

(b)

Interpretation Introduction

Interpretation:

Mass percentage of $\text{LiBr}$ should be calculated from the given aqueous solution.

Concept Introduction:

Mass percentage of solute:

Mass percent of solute is given by,

    $\text{=}\frac{\text{Mass of solute}}{\text{Total mass of the solution}}\text{×}\text{100}$

(c)

Interpretation Introduction

Interpretation:

Mass percentage of ${\text{KNO}}_3$ should be calculated from the given aqueous solution.

Concept Introduction:

Mass percentage of solute:

Mass percent of solute is given by,

    $\text{=}\frac{\text{Mass of solute}}{\text{Total mass of the solution}}\text{×}\text{100}$

(d)

Interpretation Introduction

Interpretation:

Mass percentage of $\text{NaOH}$ should be calculated from the given aqueous solution.

Concept Introduction:

Mass percentage of solute:

Mass percent of solute is given by,

    $\text{=}\frac{\text{Mass of solute}}{\text{Total mass of the solution}}\text{×}\text{100}$