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View Full Version : Determining the concentration of an unknown solution


Damien3877
Mar 20, 2012, 02:44 PM
This is not "homework" as such. It's for a science competition and we can do research. Here's the layout and materials given.

Q: Experimentally determine the concentration of a solution of Potassium
Permanganate (KMnO4).

Materials:

5 - standard size test-tubes
1 evaporation dish
1 burette
250 ml beaker
Digital balance
20.0g of solid KMnO4
100.0 ml of heated acidified sodium oxalate solution of known concentration
2 - 250 ml Erlenmeyer flask
1 graduated cylinder
1 hotplate
1 bunsen burner
Scoopula
Small Beaker or weighing boat


Please respond as soon as possible.


- Thank you