Why should burette readings always be given to 2dp. ending in 0.00 or 0.05?
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Card 7
Front
Why should only a few drops of indicator be added?
Back
Card 8
Front
Why can distilled water be used to rinse the sides of the conical flask (so that all of the solution of known conc. is washed into the reaction mixture)?
Back
Card 9
Front
Why are titrations repeated?
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Card 10
Front
Which results are used in calculating an average?
Back
Card 11
Front
What can be said about the results if they are concordant?
Back
Card 12
Front
What must be considered when titrating a mixture to work out the concentration of an active ingredient?
Back
Card 13
Front
Why must several samples be titrated in quality control?
