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12. Complete the table based on the molecular ion pattern for the following molecule (assume that low resolution mass spectrometry is used: 2 775 (rate ger Valus [M]* [M+2]* 148 63.9% [M+4]* Mass: 150 Abundance: 160% 10.2 57.41. 36.77 5.

12. Complete the table based on the molecular ion pattern for the following molecule (assume that low resolution mass spectrometry is used: 2 775 (rate ger Valus [M]* [M+2]* 148 63.9% [M+4]* Mass: 150 Abundance: 160% 10.2 57.41. 36.77 5.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Can someone explain the math of how the abundance was calculated?

--- ### Mass Spectrometry Table Completion **Objective:** Complete the table based on the molecular ion pattern for the given molecule, considering low-resolution mass spectrometry. **Molecule Structure:** - Benzene ring with two chlorine atoms attached (dichlorobenzene). **Table Data:** | Ion | Mass | Relative Abundance (%) | |-------------|------|------------------------| | \([M]^+\) | 146 | 100 | | \([M + 2]^+\) | 148 | 63.9 | | \([M + 4]^+\) | 150 | 10.2 | Additional notes in red: - Integer values are emphasized. - Handwritten calculations show computations for percentages (e.g., 57.4%, 36.7%, 5.9%). - Comments indicate that certain values are "OK" or correct. - There’s a boxed section with a final total calculation: "3.75", possibly a part scored as "1 pt each". The molecule's pattern illustrates typical isotopic distribution due to chlorine, where peaks at \([M]\), \([M+2]\), and \([M+4]\) are evident. This distribution is characteristic of dichlorobenzene with two chlorine atoms, leading to significant peaks at these mass-to-charge ratios due to the natural isotopic abundance of chlorine (Cl-35 and Cl-37). ---
Transcribed Image Text:--- ### Mass Spectrometry Table Completion **Objective:** Complete the table based on the molecular ion pattern for the given molecule, considering low-resolution mass spectrometry. **Molecule Structure:** - Benzene ring with two chlorine atoms attached (dichlorobenzene). **Table Data:** | Ion | Mass | Relative Abundance (%) | |-------------|------|------------------------| | \([M]^+\) | 146 | 100 | | \([M + 2]^+\) | 148 | 63.9 | | \([M + 4]^+\) | 150 | 10.2 | Additional notes in red: - Integer values are emphasized. - Handwritten calculations show computations for percentages (e.g., 57.4%, 36.7%, 5.9%). - Comments indicate that certain values are "OK" or correct. - There’s a boxed section with a final total calculation: "3.75", possibly a part scored as "1 pt each". The molecule's pattern illustrates typical isotopic distribution due to chlorine, where peaks at \([M]\), \([M+2]\), and \([M+4]\) are evident. This distribution is characteristic of dichlorobenzene with two chlorine atoms, leading to significant peaks at these mass-to-charge ratios due to the natural isotopic abundance of chlorine (Cl-35 and Cl-37). ---
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