“ molality of So 4 2 − ” should be identified. Concept introduction: molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows; m = n mass of solvent (kg)

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Answer 1

Question

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

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Part I. a) Elucidate the structure of compound A using the following information. • mass spectrum: m+ = 102, m/2=57 312=29 • IR spectrum: 1002.5 % TRANSMITTANCE Ngg 50 40 30 20 90 80 70 60 MICRONS 5 8 9 10 12 13 14 15 16 19 1740 cm M 10 0 4000 3600 3200 2800 2400 2000 1800 1600 13 • CNMR 'H -NMR Peak 8 ppm (H) Integration multiplicity a 1.5 (3H) triplet b 1.3 1.5 (3H) triplet C 2.3 1 (2H) quartet d 4.1 1 (2H) quartet & ppm (c) 10 15 28 60 177 (C=0) b) Elucidate the structure of compound B using the following information 13C/DEPT NMR 150.9 MHz IIL 1400 WAVENUMBERS (CM-1) DEPT-90 DEPT-135 85 80 75 70 65 60 55 50 45 40 35 30 25 20 ppm 1200 1000 800 600 400

• Part II. a) Elucidate The structure of compound c w/ molecular formula C10 11202 and the following data below: • IR spectra % TRANSMITTANCE 1002.5 90 80 70 60 50 40 30 20 10 0 4000 3600 3200 2800 2400 2000 1800 1600 • Information from 'HAMR MICRONS 8 9 10 11 14 15 16 19 25 1400 WAVENUMBERS (CM-1) 1200 1000 800 600 400 peak 8 ppm Integration multiplicity a 2.1 1.5 (3H) Singlet b 3.6 1 (2H) singlet с 3.8 1.5 (3H) Singlet d 6.8 1(2H) doublet 7.1 1(2H) doublet Information from 13C-nmR Normal carbon 29ppm Dept 135 Dept -90 + NO peak NO peak 50 ppm 55 ppm + NO peak 114 ppm t 126 ppm No peak NO peak 130 ppm t + 159 ppm No peak NO peak 207 ppm по реак NO peak

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Answer 2

Question

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Answer 6

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Answer 7

Chapter 14, Problem 127E

Interpretation Introduction

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Answer 8

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

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“ molality of So 4 2 − ” should be identified. Concept introduction: molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows; m = n mass of solvent (kg)

Solution Summary: The author explains that molality of a solution is the number of moles divided by mass of solvent in kilogram.

Concept explainers

Videos

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$

Want to see the full answer?

Chapter 14 Solutions

“ molality of So 4 2 − ” should be identified. Concept introduction: molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows; m = n mass of solvent (kg)

Solution Summary: The author explains that molality of a solution is the number of moles divided by mass of solvent in kilogram.

Concept explainers

Videos

Interpretation: “ molality of So42− ” should be identified. Concept introduction: molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows; m = nmass of solvent (kg)

Want to see the full answer?

Chapter 14 Solutions

Interpretation:

“ molality of ${So}_{4}^{2 -}$ ” should be identified.

Concept introduction:

molality of a solution is the number of moles divided by mass of solvent in kilogram and can be expressed as follows;

$m = \frac{n}{mass of solvent (kg)}$