Three runs were carried out
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Finish =
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Start =
Finish =
Total =
Start =
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What is the average titre of the two results?
* Take care not to include a result that is obviously wrong.
From these results what can you say about the amount of vinegar in the Home Brand and Skipping Boy brands?
When the evidence is presented in court the judgement
will be in favour of which party?
The solicitor for the defence examined the results and questioned the
chemist who conducted the tests.
"How well do you know this procedure? What do you think would happen
to the results if :
- water was to contaminate the burette?
- water was to contaminate the pipette?
- finally water contaminated the flask
in which the sample of vinegar was placed?