Concept explainers
(a)
Interpretation:
A mole concept map is to be drawn and the grams of
Concept introduction:
A mole is a basic unit used in the International system of units (SI). It is abbreviated as
Answer to Problem 20E
The mole concept map is shown below.
The grams of
Explanation of Solution
When
Figure 1
The volume occupied by
The volume of dissolved
The relation between
The probable unit factors are given below.
The unit factor to determine
Therefore, the volume in
Therefore, the number of moles which occupy
The molar mass of
Therefore, the mass of
The formula to calculate the mass of
Substitute the mass of
Therefore, the grams of
The grams of
(b)
Interpretation:
A mole concept map is to be drawn and the molecules of
Concept introduction:
A mole is a basic unit used in the International system of units (SI). It is abbreviated as
Answer to Problem 20E
The mole concept map is shown below.
The molecules of
Explanation of Solution
When
Figure 1
The volume occupied by
The volume of dissolved
The relation between
The probable unit factors are given below.
The unit factor to determine
Therefore, the volume in
Therefore, the number of moles which occupy
The molecules present in
The formula to calculate the molecules occupied by
Substitute the molecules in
Therefore, the molecules of
The molecules of
(c)
Interpretation:
A mole concept map is to be drawn and the molar concentration of the sulfuric acid solution when
Concept introduction:
A mole is a basic unit used in the International system of units (SI). It is abbreviated as
Answer to Problem 20E
The mole concept map is shown below.
The molar concentration of the sulfuric acid solution is
Explanation of Solution
When
Figure 1
The volume occupied by
The volume of dissolved
The relation between
The probable unit factors are given below.
The unit factor to determine
Therefore, the volume in
Therefore, the number of moles which occupy
The number of moles in
The formula to determine molarity is shown below.
Where
•
•
•
Substitute the value of number of moles and volume in equation (1).
The relation between
The unit factors are given below.
The unit factor to determine
Therefore,
Therefore, the molar concentration of
The molar concentration of sulfurous acid solution is
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Chapter 15 Solutions
Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
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