Principles of Instrumental Analysis
7th Edition
ISBN: 9781337468039
Author: Skoog
Publisher: Cengage
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Question
Chapter 1, Problem 1.8QAP
Interpretation Introduction
Interpretation:
The figure of merit should be explained.
Concept introduction:
In order to analyse a sample, there are various instrumental method used. To select the most appropriate method, figures of merit are used which includes precision, bias, sensitivity, cone range, selectivity and detection limit.
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NaNH2 is typically used instead of KOH to produce alkynes through elimination because NaNH2 is a stronger base. Explain why KOH can be used to create diphenylacetylene for this reaction. (think about proton acidity)
Calculate Ksp for mercurous chloride, Hg2Cl2, at 25°C using the standard reduction
potentials provided.
Hg2Cl2(s) = Hg2²+(aq) + 2Cl(aq)
(a)
5.36 x 10-20
(b)
2.81 x 10-16
(c)
3.20 x 10-12
(d)
3.13 x 1011
(e)
1.11 x 1027
Ksp = ??
Enter the temperature of each of the trials, then calculate the volume of water measured.
Temperature (°C)
Trial 1
17
Calculated volume
of water (mL)
B
9.60819162
unrounded
Calculated volume
of water (mL)
Trial 2
17 ✔
9.395577
Trial 3
17 V
9.928276
Trial 4
17 ✓
9.183673
9.6082
D
9.3956
9.9283
rounded
☺
9.1837
DATA SET ANALYSIS
Calculate the following values for the data set
Mean volume of water (mL)
Standard deviation
Unrounded
Rounded
SUBMIT
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