While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined. Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

Question

Want to see the full answer?

Answer 1

Question

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Please help, this is all the calculations i got!!! I will rate!!!Approx mass of KMnO in vial: 3.464 4 Moss of beaker 3×~0. z Nax200: = 29.9219 Massof weacerv after remosimgain N2C2O4. Need to fill in all the missing blanks. ง ง Approx mass of KMnO4 in vials 3.464 Mass of beaker + 3x ~0-304: 29.9219 2~0.20 Miss of beaker + 2x- 29.7239 Mass of beaker + 1x~0.2g Naz (204 29-5249 Mass of beaver after removing as qa Na₂ C₂O T1 T2 T3 Final Buiet reading Initial butet reading (int)) Hass of NaOr used for Titration -reading (mL) calculation Results: 8.5ml 17mL 27.4mL Oml Om Oml T1 T2 T3 Moles of No CO Moles of KMO used LOF KM. O used Molenty of KMNO Averagem Of KMOWL

Draw the skeletal ("line") structure of 2-hydroxy-4-methylpentanal. Click and drag to start drawing a structure. X

Determine whether the following molecule is a hemiacetal, acetal, or neither and select the appropriate box below. Also, highlight the hemiacetal or acetal carbon if there is one. hemiacetal acetal Oneither OH

Answer 2

Question

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Answer 6

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

Answer 7

Chapter 8.4, Problem 4E

(a)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the error in mg/L, in the mass of sample present in solutions needs to be determined.

Concept Introduction: The spectroscopy that uses light in the visible and adjacent range, giving absorption spectroscopy or reflectance spectroscopy, is termed as UV-Vis or Ultraviolet-Visible Spectroscopy.

Answer 8

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

Answer 9

(b) (i)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, and assuming that a maximum was observed at a wavelength of 278 nm for this solution and that the value of A at this maximum was 0.623 when a 1-cm cell was used, and molar mass of 100 for ε , the value of ε needs to be calculated.

Concept Introduction: Depending on the chemical composition and structure of a chemical substance, light with a particular wave length is being absorbed by them, and a measure of such absorption of light, defining its strength is known by the term Molar Extinction Coefficient ( ε )

Answer 10

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

Answer 11

(b) (ii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the information regarding the maximum value needs to be expressed.

Concept Introduction : When the value of molar extinction coefficient is known the value of log ε could be determined.

Answer 12

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Answer 13

(b) (iii)

Interpretation Introduction

Interpretation: While preparing a sample of UV-Vis analysis, if one assumes that the concentration of c, in methanol was 0.00600 g/L (True Value), against the actual value (Calculated Value) of 0.00576 g/L, the % error in ε associated with the inaccuracy in assuming the actual concentration of the solution needs to be determined.

Concept Introduction: Molar concentration c can be derived by dividing the concentration of methanol by its molar mass

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 17

Ch. 8.2 - Prob. 1E Ch. 8.2 - Prob. 2E Ch. 8.2 - Prob. 3E Ch. 8.2 - Prob. 4E Ch. 8.2 - Prob. 5E Ch. 8.2 - Prob. 6E Ch. 8.2 - Prob. 7E Ch. 8.2 - Prob. 8E Ch. 8.2 - Prob. 9E Ch. 8.2 - Prob. 10E

Solution Summary: The author explains that the difference between the calculated value and the true value is defined as Error.

Concept explainers

Want to see the full answer?

Chapter 8 Solutions