Titration

Titration
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  • TITRATIONS
  • first of all you need to get your safety goggles and lab coat then set up your equipment
  • how do i do a titration?
  • acid
  • base
  • Always label
  • TITRATIONS
  • Now add your known concentration solution to the burette and use a pipette and filler to add 25cm^3 off your unknown to the conical flask along with 3-5 drops of Phenolphthalein
  • Acid Base
  • TITRATIONS
  • Next, keep adding you known concentration solution to the conical flask. When neutralisation occurs a light pink tinge will appear and remain. This is your rough reading.
  • the burette tap is open it lies vertical!
  • TITRATIONS
  • Now repeat the titration 3 times so ideally your results are within 0.1 cm^3 of each other.
  • REPEAT
  • using the average reading of your titres. work out how many moles were in the titre volume and use that to find out how many moles were in the 25cm^3 unknown.
  • TITRATIONS
  • Step 1: Convert all volumes to dm3Step 2: Calculate the number of moles of the substance where the volume and concentration are known.Step 3: Calculate the unknown concentration.concentration of alkali = moles ÷ volume
  • IGNORE YOUR ROUGH READING
  • you can now do titrations
  • TItrations
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