Chapter 14, Problem 49PE

(a)

Interpretation Introduction

Interpretation:

Whether teaspoon of sugar or large crystal of sugar will dissolve faster in hot coffee has to be explained.

Concept Introduction:

Solubility is one of the chemical characteristics of substances that make it able to dissolve it in any solvent. This property is measured in terms of maximum amount of solute that can be dissolved in any solvent.

(b)

Interpretation Introduction

Interpretation:

Whether $15.0\text{ g}$ of ${\text{CuSO}}_4$ dissolves faster in $100\text{ mL}$ of water or in $100\text{ mL}$ of $15{\text{ \% CuSO}}_4$ solution has to be explained.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Whether packet of artificial sweetener dissolves faster in cup of iced tea or hot tea has to be explained.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Whether $20\text{ g}$ of ${\text{AgNO}}_3$ dissolves faster in $1.5\text{ L}$ of water kept on table or in speeding car has to be explained.

Concept Introduction:

Refer to part (a).