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- 14. Shown below are the mass spectra (without data tables) of four molecules. (The structure of each molecule is shown on the spectrum.) Mark the [M] peak for each, and indicate the molecular weight of the molecule. Relative Intensity Relative Intensity 100 80 60 40- 20 0-mm 10 100- 80 a. 20- 115-14-5501 0-mm 10 20 b. =0 20 30 30 40 40 50 50 60 m/z 60 m/z 70 70 80 80 90 100 90 100 Relative Intensity Relative Intensity 100- 80 40 20 0 100 80 40 10 20- 15-NU-5580 15 20 25 115--555 ont 10 20 30 30 35 40 45 50 55 m/z 40 50 m/z 60 60 70 65 70 75 80 Based on the five mass spectra you have seen, describe how one might identify the [M]* peak (molecular ion peak) on the mass spectrum of an unknown compound.Which mass spectrum would be best for determining the molecular mass of the compound? Why?What is the mass of the molecular ion formed from compounds having the molecular formula, C3H6O? Calculate your answer to the nearest whole number. Enter your answer in the provided box. Your Answer:
- Please refer to the table below: Name Chemical Formula Molecular Weight (CRC Handbook of Chemistry and Physics) 2-Propanol C3H80 60.095 Toluene C6H5CH3 92.139 trans-Azoxybenzene Methylamine Trimethylamine C12H10N20 198.219 CH5N 31.058 C3H9N 59.110 An unknown sample is run on a mass spectrometer producing a mass spectrum with a M of 60.Sut of the following choices, which chemical is most likely the unknown based on the mass ion peak.©GMU 2020 O trans-azoxybenzene O methylamine toluene O 2-propanolI don't really understand how to read mass spec graphs. I am wondering how to read either one of these graphs.Which formula/model conveys the least amount of information regarding a compound? Group of answer choices Molecular formula Structural formula Ball-and-stick model Empirical formula
- use correct sig figs in theseQ.No.3 What is chromatography?. Why chromatography is considered as an important tool for analysis of organic compounds.nplete the table below for calculating the molecular weight of the compound 2-methyl-2-propanol , shown in the mod ball & stick v + labels Atom Atomic Weight # Atoms Weight in compound C amu/atom atoms amu %3D H. amu/atom atoms amu %3D amu/atom atoms %3D amu molecular weight of 2-methyl-2-propanol %3D amu