Tell whether each of the following errors will cause the experimental mass percent of the sodium bicarbonate to be higher than, lower than, or the same as the true value. Explain your answer. The crucible was not heated long enough prior to adding mixture. Some of the carbonate spattered out from the crucible during heating The sample was not heated to constant mass. The mass of mixture used is greater than the recommended mass.

World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter2: Matter
Section: Chapter Questions
Problem 21A
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  1. Tell whether each of the following errors will cause the experimental mass percent of the sodium bicarbonate to be higher than, lower than, or the same as the true value. Explain your answer.
  2. The crucible was not heated long enough prior to adding mixture.
  3. Some of the carbonate spattered out from the crucible during heating
  4. The sample was not heated to constant mass.
  5. The mass of mixture used is greater than the recommended mass.

 

 

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