Chapter 13, Problem 49E

Interpretation Introduction

(a)

Interpretation:

The mass of the solute present in $\text{85}\text{.0 g}$ of $\text{2}\text{.00\%}$ ${\text{FeBr}}_2$ solution is to be calculated.

Concept introduction:

The concentration of any solution can be expressed in different ways, such as molarity, molality, mole fraction and mass by mass percentage. In mass by mass percent concentration, mass of the solute present in total volume of solution is expressed as a percentage.

Interpretation Introduction

(b)

Interpretation:

The mass of the solute present in $\text{105}\text{.0 g}$ of $\text{5}\text{.00\%}$ ${\text{Na}}_{\text{2}}{\text{CO}}_{\text{3}}$ solution is to be calculated.

Concept introduction:

The concentration of any solution can be expressed in different ways, such as molarity, molality, mole fraction and mass by mass percentage. In mass by mass percent concentration, mass of the solute present in total volume of solution is expressed as a percentage.