Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
Find the mass of vitamin c in sample for trial 1 and 2
Transcribed Image Text:VI = 10mi
5
2
3
Data Tables
Table 1 - Standardization of 2,6-dichloroindophenol Solution
Trial
Divide
Volume of
2,6-dcip
solution
1
Mass of Mass of Concentration
vitamin Vitamin (M) of vitamin
с
C being
C solution
weighed
titrated
(before
after all
dilution)
2
120 mg
120mg
120 mg
dilutions
(in 10
mL of
water)
VI
izomg
120mg/0.5988
0.5988 0.0088
10.5988
mi
Average concentration (M) of 2,6-
dichloroindophenol solution
0.0068
0.0068
Average conversion factor between
mg of vitamin
dichloroindophenol solution
C and 2,6-
V2
5.67m2
11.00
5.33ml
16.32
✓
5.32 m₂
22
Concentration
(M) of 2,6-deip
solution (show a
sample
calculation below
for Trial 1)
m2
0.00012
0.10
0.00013
0.11
0.11
Conversion factor
between mg of
vitamin C and
mL of 2,6-deip
solution.
12 mg
68.04
12 mg
63.96
12 mg
,63.84
€
E
Transcribed Image Text:Closed
Table 2 - Juice Sample #1 plod jorde
Trial
1
2
3
Average Mass of Vitamin C
Volume of 2,6-
dichloroindophenol solution
required
Identity of Juice Sample Closed
23.82
24.43
juice
box
se donos en el enoitalusiss wodz
Mass of vitamin C in sample
Sample calculation for mass of vitamin C from Table 2, Trial 1 (required)
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