
Concept explainers
(a)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundC6H10O4 needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(a)

Answer to Problem 29A
49.31 %
Explanation of Solution
Mass of C = 12.011 g
Molar mass of given compound = 146.14 g/mol
C6H10O4
Molar mass of C6H10O4 =146.14
(b)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundNH4NO3 needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(b)

Answer to Problem 29A
35.00 %
Explanation of Solution
Mass of N= 14.067 g
The molar mass of given compound = 80.043 g/mol
(c)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundC8H10N4O2 needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(c)

Answer to Problem 29A
49.48 %
Explanation of Solution
Mass of C = 12.011 g
The molar mass of given compound = 194.19 g/mol
(d)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundClO2 needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(d)

Answer to Problem 29A
52.56 %
Explanation of Solution
Mass of Cl = 35.453 g
The molar mass of given compound = 67.45 g/mol
(e)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundC6H11OH needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(e)

Answer to Problem 29A
71.95 %
Explanation of Solution
Mass of C = 12.011 g
Molar mass of given compound = 100.16 g/mol
(f)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundC6H12O6 needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(f)

Answer to Problem 29A
40.00 %
Explanation of Solution
Mass of C = 12.011 g
The molar mass of given compound = 180.156 g/mol
(g)
Interpretation:
The percentage of the mass of the element C20H42 listed first in the formula of the given compound needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(g)

Answer to Problem 29A
85.02 %
Explanation of Solution
Mass of C = 12.011 g
Molar mass of given compound = 282.5457 g/mol
(h)
Interpretation:
The percentage of the mass of the element listed first in the formula of the given compoundC2H5OH needs to be determined.
Concept Introduction :
The mass percentage of any component can be calculated as follows:
(h)

Answer to Problem 29A
52.14 %
Explanation of Solution
Mass of C = 12.011 g
Molar mass of given compound = 46.07 g/mol
Chapter 6 Solutions
World of Chemistry
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