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Complete Test Bank Quantitative Chemical Analysis 9th Edition Harris Questions & Answers with rationales (Chapter 1-28) CA$24.38   Add to cart
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Complete Test Bank Quantitative Chemical Analysis 9th Edition Harris Questions & Answers with rationales (Chapter 1-28)
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Quantitative Chemical Analysis 9th Edition Harris Test Bank Complete Test Bank Quantitative Chemical Analysis 9th Edition Harris Questions & Answers with rationales (Chapter 1-28) PDF File All Pages All Chapters Grade A+

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  • June 9, 2023
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  • 2022/2023
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  • quantitative chemical
  • quantitative
  • test b
  • quantitative chemical analysis 9th edition harris
  • quantitative chemical analysis 9th edition
  • quantitative chemical analysis 9th
  • quantitative chemical analysis

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Chapter 0 – The Analytical Process 1
Quantitative Chemical Analysis 9th Edition Harris
Test Bank
Multiple-Choice

1. chemical analysis is the measurement of how much of a chemical
substance is present. chemical analysis is the determination of what is present in
a sample.

A) Quantitative; Qualitative
B) Stoichiometric ; Qualitative
C) Qualitative; Quantitative
D) Stoichiometric ; Identification
E) Quantitative; Identification

Answer: A
Easy

0-1 The Analytical Chemist’s Job

2. A sample with a uniform chemical composition is a sample.

A) homologous
B) homogeneous
C) uniform
D) consistent
E) heterogeneous

Answer: B
Easy

3. A(n) sample is a sample where the chemical composition differs from
place to place.

A) variable
B) homogeneous
C) random
D) inconsistent
E) heterogeneous

Answer: E
Easy

,Chapter 0 – The Analytical Process 2

4. When extracting a sample with a liquid, the liquid is from the sample.

A) transferred
B) drained
C) decanted
D) effused
E) dispensed

Answer: C
Easy

5. A(n) is used to grind solids into smaller particles.

A) orbital shaker
B) vortexer
C) mixer
D) mortar and pestle
E) centrifuge

Answer: D
Easy

6. is the substance being measured during a chemical analysis.

A) Bulk
B) Lot
C) Sample
D) Analyte
E) Aliquot

Answer: D
Easy

7. The liquid above the packed solid following a centrifugation is the .

A) solvonatant
B) analyte
C) serum
D) decanted
E) supernatant

Answer: E
Easy

,Chapter 0 – The Analytical Process 3

8. A(n) is a suspension of a solid in a liquid.

A) slurry
B) colloid
C) gel
D) supernatant
E) allotrope

Answer: A
Easy

9. is the series of procedures applied to a sample prior to analysis.

A) Pre-analysis clean up
B) Sample preparation
C) Filler elimination
D) Matrix removal
E) Lot cleaning

Answer: B
Easy

10. For separations, the plot of detector response versus time is a(n) and
the area under the peak is to the quantity of compound passing through the
detector.

A) column plot; proportional
B) column plot; inversely proportional
C) chromatogram; proportional
D) chromatogram; inversely proportional
E) absorbance spectrum; proportional

Answer: C
Easy

, Chapter 0 – The Analytical Process 4

11. A(n) is a plot of detector response as a function of analyte
concentration. The curve is constructed using containing known
concentrations of the analyte of interest.

A) analyte curve; response solutions
B) response curve; standard solutions
C) analyte curve; analyte solutions
D) calibration curve; standard solutions
E) response curve; response solutions

Answer: D
Easy

12. is the process of procuring a representative sample to analyze.

A) Inspection
B) Examination
C) Representation
D) Sampling
E) Partaking

Answer: D
Easy

13. Solid-phase extraction is a sample preparation technique. Which of the following
statements is(are) NOT true for an aqueous solid-phase extraction?

I Solid-phase extraction separates analyte from the sample matrix using a chromatography
stationary phase.
II An aliquot of the aqueous sample is applied to the solid-phase extraction tube, washing
the sample with additional sample and then a water wash.
III The analyte sticks to the column and the water wash removes all species that do not
adhere to the column.
IV An organic solvent is used to wash the analyte from the column.
V The organic phase containing the analyte is evaporated to dryness and the solid is
dissolved in water, ready for analysis.

A) III
B)I
C) II and III
D) IV
E)II

Answer: E
Easy

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