Concept explainers
(a)
Interpretation:
The number of molecules in
Concept introduction:
A mole is a basic unit that is used in the International system of units (SI). It is abbreviated as
Answer to Problem 33E
The number of molecules in
Explanation of Solution
The molecular formula for iodine molecule is
The molar mass of iodine is
The molar mass of
Therefore, the molar mass of
Thus, one mole of iodine is
The number of moles in
The number of molecules in iodine is calculated below.
Substitute the number of moles of iodine in the above equation.
The number of molecules in
(b)
Interpretation:
The number of molecules in
Concept introduction:
A mole is a basic unit that is used in the International system of units (SI). It is abbreviated as
Answer to Problem 33E
The number of molecules in
Explanation of Solution
The molecular formula is
The molar mass of carbon is
The molar mass of oxygen is
The molar mass of hydrogen is
The molar mass of
Therefore, the molar mass of
Thus one mole of
The number of moles in
The number of molecules in
Substitute the number of moles of
The number of molecules in
(c)
Interpretation:
The number of formula units in
Concept introduction:
A mole is a basic unit that is used in the International system of units (SI). It is abbreviated as
Answer to Problem 33E
The number of formula units in
Explanation of Solution
The molecular formula for chromium
The molar mass of chromium is
The molar mass of oxygen is
The molar mass of sulfur is
The molar mass of
The formula mass of
Thus, one mole of
The number of moles in
The number of formula units in
Substitute the number of moles of
The number of formula units in
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Chapter 7 Solutions
Introductory Chemistry: An Active Learning Approach
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