Calculating the average volume delivered in a titration should not include non-concordant volumes. Run 3 (and the Rough run) is omitted from the calculation of the average volume delivered
You should be able to state what the impact would be of not using a draught shield in a simple combustion calorimetry experiment
Accuracy and precision in target shooting
Which of the following procedures could be used to reduce the random uncertainty while performing a titration?
A. Changing the burette
B. Reading the burette at eye level to the meniscus
C. Repeating the titration
D. Changing the indicator for the titration
Answer
The correct option is C.
Random errors can be reduced by repetition. All the other procedures would only affect systematic errors.
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