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(a)
Interpretation:
Plausible formula for
Concept Introduction:
Nominal mass may be defined as mass of most abundant isotope of a particular ion or molecule. For instance, carbon exist as two isotopes
(a)
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Explanation of Solution
Odd nominal mass of 79 suggests there are odd numbers of
Hence number of
Since each
(b)
Interpretation:
Plausible formula for
Concept Introduction:
Refer to part (a).
(b)
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Explanation of Solution
Odd nominal mass of 123 suggests there are odd numbers of
Natural abundance of
Hence number of
Since each
With 1
When five
(c)
Interpretation:
Plausible formula for
Concept Introduction:
Refer to part (a).
(c)
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Explanation of Solution
Even nominal mass of 148 suggests there are even numbers of
Natural abundance of
Hence number of
Plausible formulas with 6
Plausible formulas with 7
(d)
Interpretation:
Plausible formula for
Concept Introduction:
Refer to part (a).
(d)
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Explanation of Solution
Even nominal mass of 168 suggests there are even numbers of
Natural abundance of
Hence number of
Plausible formulas with 11
Plausible formulas with 12
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Chapter 21 Solutions
Exploring Chemical Analysis
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