Quantitative Chemical Analysis
9th Edition
ISBN: 9781464135385
Author: Daniel C. Harris
Publisher: W. H. Freeman
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Chapter 7, Problem 7.CE
Interpretation Introduction
Interpretation:
The percentage of weight of each species in given mixture has to be calculated.
Concept introduction:
Molarity can be defined as the moles of solute (in grams) to the volume of the solution (in litres). The molarity of a solution can be given by the formula,
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Show how the following conversions might be accomplished. Show all reagents and all intermediate
ructures. More than one step may be required [2 ONLY]:
A.
B.
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C.
OH
0
OH
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A 20.3 mL sample of 0.263 M
triethylamine, (C2H5)3N, is titrated
with 0.252 M hydrochloric acid.
(1) At the titration midpoint, the pH is
. (2) At the equivalence point, the pH
is .
d. 3,4,5-trimethoxybenzoyl chloride
. What is the order of decreasing reactivity towards nucleophilic acyl substitution for the
arboxylic acid derivatives? (most reactive first)
A.
B.
0
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O
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H3C-C-O-C-CH3 H3C-C-N(CH3)2 H3C-C-OCH 3
(CH3)2CH-C-OCH3
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a.
I, II, III, IV
b. I, III, IV, II
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d. II, I, III, IV
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R-C-O C-R R-C-NH2
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a.
I, III, II, IV |
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b.
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d.
IV, I, III, II
Chapter 7 Solutions
Quantitative Chemical Analysis
Ch. 7.2 - Prob. 1TYCh. 7.2 - Prob. 2TYCh. 7.3 - Prob. 3TYCh. 7.3 - Prob. 4TYCh. 7 - Prob. 7.AECh. 7 - Prob. 7.BECh. 7 - Prob. 7.CECh. 7 - Prob. 7.DECh. 7 - Prob. 7.EECh. 7 - Prob. 7.FE
Ch. 7 - Prob. 7.1PCh. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Prob. 7.4PCh. 7 - Prob. 7.5PCh. 7 - Prob. 7.6PCh. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Prob. 7.10PCh. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Prob. 7.13PCh. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Prob. 7.31PCh. 7 - Prob. 7.32PCh. 7 - Prob. 7.33PCh. 7 - Prob. 7.35P
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