willveloz4
28.10.2020 •
Chemistry
4. Students sometimes find it necessary to conduct a 2nd, a 3rd and even a 4th weighing of the crucible at the end of the experiment. Which of these masses should be utilized to calculate the percentage of NaHCO3
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Ответ:
4th
Explanation:
The result of the last weighing of the crucible should be utilized when students want to calculate the percentage of NaHCO3.
This is the best option to take because it is important that the mass of the NaHCO3 remain consistent throughout the calculations so that there will be a very high degree of accuracy in the result obtained.
Ответ: