Part 1: Effect of Concentration The first part of the experiment is carried out at constant (room) temperature. Trial 1 is your baseline measurement. In Trials 2 and 3 you will change the concentration of Solution #1 or Solution #3, respectively.
Part 1: Effect of Concentration The first part of the experiment is carried out at constant (room) temperature. Trial 1 is your baseline measurement. In Trials 2 and 3 you will change the concentration of Solution #1 or Solution #3, respectively.
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter7: Reaction Rates And Chemical Equilibrium
Section: Chapter Questions
Problem 7.13P: 7-13 Why are reactions between ions in aqueous solution generally much faster than reactions between...
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Question
![Complete Table 6 using
the written data and
given information in
Table 2
Part 1: Effect of Concentration
The first part of the experiment is carried out at constant (room) temperature. Trial 1 is your
baseline measurement. In Trials 2 and 3 you will change the concentration of Solution #1 or
Solution #3, respectively.
Table 2. Effect of reactant concentration on reaction rate
Soln #2
0.0025 M
Soln #1
0.10 M
KI
20.0 mL
Na₂S₂O3
10.0 mL
10.0 mL
10.0 mL
20.0 mL
10.0 mL
Trial
1
2
3
1
Time (s)
Trial (n) [1]
2
Table 6: Ion Concentrations in Reaction Mixture
3
Temp.
(°C)
I min 17
21°C
2 min 27
21°C
3 min 13 21°C
C
0.040 mol/L
[S₂O3²]
[S₂08²]
Water
0.0 mL
10.0 mL
10.0 mL
Starch
[
[
3 drops
3 drops
3 drops
Soln # 3
0.10 M
(NH4)2S2O8
20.0 mL
20.0 mL
10.0 mL
Total Vol.
% Change in lon Concentration
Relative to Trial 1
] decreased by
] decreased by
50.0 mL
50.0 mL
50.0 mL
%
%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1c98cee0-3ff8-419d-9a09-fa51ea9bda25%2F7fe6d1ce-e1ea-47cc-ad80-7b022ee8dc0a%2Fsn79y3a_processed.png&w=3840&q=75)
Transcribed Image Text:Complete Table 6 using
the written data and
given information in
Table 2
Part 1: Effect of Concentration
The first part of the experiment is carried out at constant (room) temperature. Trial 1 is your
baseline measurement. In Trials 2 and 3 you will change the concentration of Solution #1 or
Solution #3, respectively.
Table 2. Effect of reactant concentration on reaction rate
Soln #2
0.0025 M
Soln #1
0.10 M
KI
20.0 mL
Na₂S₂O3
10.0 mL
10.0 mL
10.0 mL
20.0 mL
10.0 mL
Trial
1
2
3
1
Time (s)
Trial (n) [1]
2
Table 6: Ion Concentrations in Reaction Mixture
3
Temp.
(°C)
I min 17
21°C
2 min 27
21°C
3 min 13 21°C
C
0.040 mol/L
[S₂O3²]
[S₂08²]
Water
0.0 mL
10.0 mL
10.0 mL
Starch
[
[
3 drops
3 drops
3 drops
Soln # 3
0.10 M
(NH4)2S2O8
20.0 mL
20.0 mL
10.0 mL
Total Vol.
% Change in lon Concentration
Relative to Trial 1
] decreased by
] decreased by
50.0 mL
50.0 mL
50.0 mL
%
%
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