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In the experiment of sample NMR Spectrum analysis, why does the peak of ethanol appear at 1.25 ppm and that of toluene appears at 7.2ppm?


attached is the image of the unknown mixture I used for my analysis.NMR unknown .jpg

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This report was created by ACD/NMR Processor Academic Edition. For more information go to www.acdlabs.com/nmrproc/ 10/13/2020 12:28:27 PM Acquisition Time (sec) 0 9997 Date 2020/10/13 15:21:48+0000 Dato Stamp 2020/10/13 15:21:48+0000 File Name CAUSERS GGORING DOWNLOADS\FID-AVG . 2020-10-13T 122514.458 JDX Frequency (MHz) 45.01 Nucleus Origin picoSpin Original Points Count 4000 Owno My Name Points Count 32768 Spectrum Offset (Hz) 1099 1555 Swoop Width (Hz) 4001 00 FID-AVG - 2020-10-13170216509BuleFactor = 1 D.9 0.8- 0.7 Normalized Intensity 0.6 SINGLET AROMATIC ] -230 SINGLET [ CH3] ( TOULENE! 0.5 043 0.3 0.2 0.1 -76.01 61 75 59.96 59.85 -59.57 57 93 57 73 -55.17 53.36 51:71 -50 76 48,93 -47 18 -46.64 46.43 46.34 46,25 44.40 43 66 43.31 40 25 -39.72 46 91 36.64 -32.71 -29.45 -26.25 -24 07 22.57 1412 (CH3 , ETHANOL , DOUBLET ] 0.77 023 0,00 34 30 25 15 10 70 65 60 65 50 45 40 90 80 75 Chemical Shift (ppm) No. (ppm) Value Absolute Value Non-Negative Value 1 2750 1 280 00304778 1 58969613e+6 0.00304778 1703 2 450.23353715 1 218109440+8 0.23363715 3 8965 7:450 77344126 4 03420224e+8 077344126

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This report was created by ACD/NMR Processor Academic Edition. For more information go to www.acdlabs.com/nmrproc/ 10/13/2020 12:27 PM Acquisition...
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