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    During one titration a student reads the burette twice. Each reading has an error but the titre has no error. Explain how this can happen.
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    http://www.thestudentroom.co.uk/showthread.php?t=632126
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    Though the general rule is that you always add errors/uncertainties. So if the errors were identical wouldn't adding them double the error/uncertainty?
 
 
 
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