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July 29, 2015

Homework Help: Chemistry

Posted by Avi on Wednesday, September 26, 2012 at 1:34am.

A student dried a wet crucible with a kimwipe. A piece of kimwipe was left clinging to the inside wall of the crucible. The student did not see the piece of kimwipe when adding the NaHCO3-KCl mixture to the crucible. The crucible and its contents were weighed and subjected to three heating cooling cycles.
Could this experimental error significantly affect the percentage of NaHCO3 in the mixture?
Justify your answer with an explanation.

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