
Concept explainers
In e-ach of the following pairs, which has the greater mass? (See Table 1.5.)
- a. 1.0 kg of feathers or 1.0 kg of lead
- b. 1.0 mL of mercury or 1.0 mL of water
- c. 19.3 mL of water or 1.00 mL of gold
- d. 75 mL of copper or 1.0 L of benzene
(a)

Interpretation:
From the given set of pairs the substance which has greater mass has to be identified.
Concept introduction:
Density:
The relationship between mass, density and volume of the substance is given by
To identify: The substance which has greater mass from the given pair
Answer to Problem 73E
Greater mass is exhibited by Lead
Explanation of Solution
The identification of the substance which has greater mass from the given pair is given below
Given data
Give the relationship between mass and density
From the given pair, lead has the greater mass because of its higher density compare to feathers.
(b)

Interpretation:
From the given set of pairs the substance which has greater mass has to be identified.
Concept introduction:
Density:
The relationship between mass, density and volume of the substance is given by
To identify: The substance which has greater mass from the given pair
Answer to Problem 73E
Greater mass is exhibited by Mercury
Explanation of Solution
The identification of the substance which has greater mass from the given pair is given below
Given data
Give the relationship between mass and density
Calculate the mass of mercury by the use of given data
Calculate the mass of water by the use of given data
From the given pair, mercury has the greater mass because of its higher density compare to water.
(c)

Interpretation:
From the given set of pairs the substance which has greater mass has to be identified.
Concept introduction:
Density:
The relationship between mass, density and volume of the substance is given by
To identify: The substance which has greater mass from the given pair
Answer to Problem 73E
Greater mass is exhibited by Gold
Explanation of Solution
The identification of the substance which has greater mass from the given pair is given below
Given data
Give the relationship between mass and density
Calculate the mass of gold by the use of given data
Calculate the mass of water by the use of given data
From the given pair, gold has the greater mass because of its higher density compare to water.
(d)

Interpretation:
From the given set of pairs the substance which has greater mass has to be identified.
Concept introduction:
Density:
The relationship between mass, density and volume of the substance is given by
To identify: The substance which has greater mass from the given pair
Answer to Problem 73E
Greater mass is exhibited by Benzene
Explanation of Solution
The identification of the substance which has greater mass from the given pair is given below
Given data
Calculate the mass of copper by the use of given data
Calculate the mass of benzene by the use of given data
From the given pair, benzene has the greater mass because of its higher volume compare to copper.
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Chapter 1 Solutions
CHEMISTRY,AP EDITION-W/ACCESS (HS)
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