OXIDATION-REDUCTION TITRATION
Post-Laboratory Questions
1. Indicate the effect of each of the following procedural mistakes on the reported concentration
of the solution. Is the reported concentration too high, too low, or unaffected?
a. The buret was not rinsed with deionized water before being washed with MnO
tion before being filled for the titration.
b. The end point was exceeded by about three drops of titrant.
C.
4 (aq)
solu-
(aq)
A few drops of MnO solution dribbled on the outside of the buret during filling and
fell into the Erlenmeyer.
d. A couple of air bubbles stuck to the sides of the buret.
2. Write the balanced equation for the titration you performed.