TITRATION: Method to determine the volume of one solution that is required to react with a given volume of another solution - used to determine concentration of Acid or Alkali
sTITRATION |
Diagram showing the Setup of a Titration |
METHOD:
Use pipette to measure Alkali solution into conical flask Add drops of indicator (Phenolphthalein or Methyl Orange) Add Acid into burette and note the starting volume Add Acid in burette into Alkali in flask until indicator changes to appropriate colour Note the final volume of Acid in burette
|
INDICATORS
As universal indicator has no end-point (colour will constantly change depending on pH), universal indicator is not used for titration Instead, Phenolphthalein or Methyl Orange is used as there is a end-point, allowing colour change to be observed more easily
|
CALCULATION
Volume of Acid Added = Starting Volume of Acid - Final Volume of Acid
|
|
No comments:
Post a Comment