TITRATION DATA In the next part of the experiment, you used the standard solution of sodium oxalate to standardize a solution of potassium permanganate, KMN04. The potassium permanganate was the titrant. Please complete the table below. Trial 1 Trial 2

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter20: Molecular Spectroscopy And Photochemistry
Section: Chapter Questions
Problem 67CP
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I need help with the remaing values in the first picture please!!

TITRATION DATA
In the next part of the experiment, you used the standard solution of
sodium oxalate to standardize a solution of potassium permanganate,
KMN04. The potassium permanganate was the titrant. Please complete
the table below.
Trial 1
Trial 2
Volume of Na2C204 solution pipetted (mL)
25.00
25.00
Initial burette reading (mL)
21.10
21.10
Final burette reading (mL)
50.00
36.80
Titre (mL)
28.90
15.70
MOLARITY OF POTASSIUM PERMANGANATE SOLUTION
You now have all of the information you need to calculate the molarity of
your potassium permanganate solution.
Trial 1
Trial 2
Molarity of KMNO4 solution (M)
3
Average molarity of KMNO4 solution (M)
unrounded
Average molarity of KMNO4 solution (M)
rounded
Transcribed Image Text:TITRATION DATA In the next part of the experiment, you used the standard solution of sodium oxalate to standardize a solution of potassium permanganate, KMN04. The potassium permanganate was the titrant. Please complete the table below. Trial 1 Trial 2 Volume of Na2C204 solution pipetted (mL) 25.00 25.00 Initial burette reading (mL) 21.10 21.10 Final burette reading (mL) 50.00 36.80 Titre (mL) 28.90 15.70 MOLARITY OF POTASSIUM PERMANGANATE SOLUTION You now have all of the information you need to calculate the molarity of your potassium permanganate solution. Trial 1 Trial 2 Molarity of KMNO4 solution (M) 3 Average molarity of KMNO4 solution (M) unrounded Average molarity of KMNO4 solution (M) rounded
Part 1. Standardization of the KMN0, Solution
Experimental Data
Mass of weighing funnel and Na,C,O, 2.5366g
2.2235g
Mass of weighing funnel
Titrations
Titration #1
Titration #2
Volume of Na,C,O, pipetted
25.00mL
22.3mL
Initial burette reading
21,1 mL
22.3mL
Final burette reading
50.1mL
36.8mL
(value provided by TA,
on the board)
Zone average molarity of KMnO,
0,01366 M
Reaction
2 MnO, + 5 C,0, + 16 H* → 2 Mn2+ + 10 CO, + 8 H,O
Calculated Values
Mass of Na,C,O4
03131g
(Give to Lab TA)
Molarity of Na,C,O,
Titrations
Titration #1
Titration #2
28.0mL
1.45 mL
Volume of KMNO,
(Give to Lab TA)
solution
Molarity of KMnO,
Average molarity of KMNO,
% deviation of your molarity of
KMNO, from zone average
Transcribed Image Text:Part 1. Standardization of the KMN0, Solution Experimental Data Mass of weighing funnel and Na,C,O, 2.5366g 2.2235g Mass of weighing funnel Titrations Titration #1 Titration #2 Volume of Na,C,O, pipetted 25.00mL 22.3mL Initial burette reading 21,1 mL 22.3mL Final burette reading 50.1mL 36.8mL (value provided by TA, on the board) Zone average molarity of KMnO, 0,01366 M Reaction 2 MnO, + 5 C,0, + 16 H* → 2 Mn2+ + 10 CO, + 8 H,O Calculated Values Mass of Na,C,O4 03131g (Give to Lab TA) Molarity of Na,C,O, Titrations Titration #1 Titration #2 28.0mL 1.45 mL Volume of KMNO, (Give to Lab TA) solution Molarity of KMnO, Average molarity of KMNO, % deviation of your molarity of KMNO, from zone average
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