Refer to the mass spectrum below for questions 5-8. MASS SPECTRUM 100 80- 60 40- 20 0.0+ 0.0 40 80 120 160 200 m/z Tom L 5. What is the base peak of the spectrum (amu stands for atomic mass unit)? A) 41 amu B)43 amu F) 166 amu C) 85 amu D) 135 amu E) 164 amu 6. What is the molecular ion peak of the spectrum? A) 41 amu E) 164 amu B) 43 amu C) 85 amu D) 135 amu F) 166 amu What element must be present in the compound? om ei admun avaw E) CI B) S C)N D) Br 8. Other than one element in question 7, there are only carbons and hydrogens in this compound. Determine the molecular formula of this compound. Please show you reasoning and calculation. Rel. Intensity

Refer to the mass spectrum below for questions 5-8. MASS SPECTRUM 100 80- 60 40- 20 0.0+ 0.0 40 80 120 160 200 m/z Tom L 5. What is the base peak of the spectrum (amu stands for atomic mass unit)? A) 41 amu B)43 amu F) 166 amu C) 85 amu D) 135 amu E) 164 amu 6. What is the molecular ion peak of the spectrum? A) 41 amu E) 164 amu B) 43 amu C) 85 amu D) 135 amu F) 166 amu What element must be present in the compound? om ei admun avaw E) CI B) S C)N D) Br 8. Other than one element in question 7, there are only carbons and hydrogens in this compound. Determine the molecular formula of this compound. Please show you reasoning and calculation. Rel. Intensity

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL2: Mass Spectrometry

Section: Chapter Questions

Problem 27CTQ

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Type Formula Ksp Bromides PbBr2 6.3 × 10-6 AgBr 3.3 × 10-13 Carbonates BaCO3 8.1 × 10-9 CaCO3 3.8 × 10-9 CoCO3 8.0 × 10-13 CuCO3 2.5 × 10-10 FeCO3 3.5 × 10-11 PbCO3 1.5 × 10-13 MgCO3 4.0 × 10-5 MnCO3 1.8 × 10-11 NiCO3 6.6 × 10-9 Ag2CO3 8.1 × 10-12 ZnCO3 1.5 × 10-11 Chlorides PbCl2 1.7 × 10-5 AgCl 1.8 × 10-10 Chromates BaCrO4 2.0 × 10-10 CaCrO4 7.1 × 10-4 PbCrO4 1.8 × 10-14 Ag2CrO4 9.0 × 10-12 Cyanides Ni(CN)2 3.0 × 10-23 AgCN 1.2 × 10-16 Zn(CN)2 8.0 × 10-12 Fluorides BaF2 1.7 × 10-6 CaF2 3.9 × 10-11 PbF2 3.7 × 10-8 MgF2 6.4 × 10-9 Hydroxides AgOH 2.0 × 10-8 Al(OH)3 1.9 × 10-33 Ca(OH)2 7.9 × 10-6 Cr(OH)3 6.7 × 10-31 Co(OH)2 2.5 × 10-16 Cu(OH)2 1.6 × 10-19 Fe(OH)2 7.9 × 10-15 Fe(OH)3 6.3 × 10-38 Pb(OH)2 2.8 × 10-16 Mg(OH)2 1.5 × 10-11 Mn(OH)2 4.6 × 10-14 Ni(OH)2 2.8 × 10-16 Zn(OH)2 4.5 × 10-17 Iodides PbI2 8.7 × 10-9 AgI 1.5 × 10-16 Oxalates BaC2O4 1.1 × 10-7 CaC2O4…