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O-10
REPORT: EXPERIMENT O - REDOX TITRATIONS
Name ____________________________________
Section ___________ Date ___________________
Laboratory Instructor________________________
Please show all calculations with units and to the correct number of significant figures.
Part I: Standardization of the Potassium Permanganate, KMnO
4
, solution,
Mass of oxalic acid dihydrate used:
g
Molarity of H2C2O
4
(from Observations Sheet) (0.5 marks)
M
Volume of oxalic acid titrated in each run
mL
Moles of oxalic acid titrated
mol
1.
Write the balanced redox equation for the reaction of oxalic acid and potassium permanganate.
(Include half reactions and the overall balanced equation.)
Calculate standard potential for this reaction. (0.5 marks)
2.
Volumes of KMnO
4
used in titration of oxalic acid dihydrate (H2C2O
4
2H2O)
1)
2)
3)
3.
Calculate the molarity of the KMnO
4
solution. Include all calculations. (1.0 mark)
(Do not average the volumes of KMnO
4
used.)
