Concept explainers
(a)
Interpretation: The explanation of the shape of the given graph is to be stated.
Concept introduction:
(a)

Answer to Problem 104AE
The graph show increasing pattern as mass of
Explanation of Solution
The given graph is as follows.
Figure 1
The graph constitutes
The graph shows an increasing pattern at first as the mass of
Therefore, the graph show increasing pattern till fourth sample as mass of
(b)
Interpretation: The mass of
Concept introduction: Stoichiometric coefficients proportional to the respective chemical species can be correlated so as to compute their moles. The corresponding mass of these chemical species can then be worked out via their molar masses. The former concept is designated as stoichiometry. This concept can also be utilized to acquire limiting as well as excess reactants in given reaction.
(b)

Answer to Problem 104AE
The mass of
Explanation of Solution
The balanced reaction of
The given mass of
The number of moles of
The molar mass of
Substitute the values in equation (1).
The above reaction shows that
The mass of
The molar mass of
Substitute the values in equation (2).
Therefore, the mass of
(c)
Interpretation: The mass of
Concept introduction: Stoichiometric coefficients proportional to the respective chemical species can be correlated so as to compute their moles. The corresponding mass of these chemical species can then be worked out via their molar masses. The former concept is designated as stoichiometry. This concept can also be utilized to acquire limiting as well as excess reactants in given reaction.
(c)

Answer to Problem 104AE
The mass of
Explanation of Solution
The balanced reaction of
The above reaction shows that
The mass of
The graph shows that after fourth addition that is when
The mass of
Therefore, the mass of
(d)
Interpretation: The mass of
Concept introduction: Stoichiometric coefficients proportional to the respective chemical species can be correlated so as to compute their moles. The corresponding mass of these chemical species can then be worked out via their molar masses. The former concept is designated as stoichiometry. This concept can also be utilized to acquire limiting as well as excess reactants in given reaction.
(d)

Answer to Problem 104AE
The mass of
Explanation of Solution
The balanced reaction of
The given mass of
The molar mass of
Since, the maximum amount of
The number of moles of
The above reaction shows that
The molar mass of
Substitute the values in equation (2) to calculate the mass of
Therefore, the mass of
(e)
Interpretation: The left over reactants and their masses in parts b and d are to be calculated.
Concept introduction: Stoichiometric coefficients proportional to the respective chemical species can be correlated so as to compute their moles. The corresponding mass of these chemical species can then be worked out via their molar masses. The former concept is designated as stoichiometry. This concept can also be utilized to acquire limiting as well as excess reactants in given reaction.
(e)

Answer to Problem 104AE
The leftover reagent in part b is
Explanation of Solution
The balanced reaction of
The above reaction shows that
The mass of
The graph shows that
The given mass of
The mass of
The mass of
Substitute the values in equation (3).
The graph shows that in part d,
The mass of
Substitute the values in equation (4).
Therefore, the leftover reagent in part b is
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Chapter 3 Solutions
Chemical Principles
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