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 ans its contents were weighed and subjected to three heating-cooling cycles (each time the temperature reached 600 Celsius). Could this experimental error significantly affect the calculated percentage of NaHCO3 in the mixture? Justify answer with an explanation.
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Heated to what temperature? How big was the piece of Kimwipe? Is the NaHCO3 going to Na2CO3 or Na2O?
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