Determine the percent abundance for J-67 and J-68, given the following data: The average atomic mass for J is 65.96 amu. Atomic % Isotope weight abundance J-64 63.9296 6.744 J-66 65.9449 90.654 J-67 66.9154 ?? J-68 67.9113 ??
Determine the percent abundance for J-67 and J-68, given the following data: The average atomic mass for J is 65.96 amu. Atomic % Isotope weight abundance J-64 63.9296 6.744 J-66 65.9449 90.654 J-67 66.9154 ?? J-68 67.9113 ??
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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
Transcribed Image Text:**Determine the percent abundance for J-67 and J-68, given the following data:**
The average atomic mass for J is 65.96 amu.
| Isotope | Atomic weight | % abundance |
|---------|---------------|-------------|
| J-64 | 63.9296 | 6.744 |
| J-66 | 65.9449 | 90.654 |
| J-67 | 66.9154 | ?? |
| J-68 | 67.9113 | ?? |
**Instructions:**
To find the percent abundance for isotopes J-67 and J-68, use the weighted average formula for atomic masses and solve for the unknown abundances. Remember that the total abundance of all isotopes adds up to 100%.
Expert Solution
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Isotopes which have same number of protons but different number of neutrons.
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