Part B: Percentage of Baking Soda in an Unknown Mixture UNKNOWN # Mass of test tube and beaker 9u,53g 98.15 g Mass of test tube, beaker and unknown mixture (before heating) Mass of unknown mixture used 97.419 Mass of test tube, beaker and residue (after heating) - 96. SS 97.61 Mass of H2CO3 released (take before heating - after heating) Show the calculation for the theoretical mass of baking soda, NaHCO3, present in the sample of unknown mixture below (using the mass lost during the reaction, see example 2): Mass of NaHCO3 Show the calculation for the percent of baking soda in the unknown mixture below: Percent of NaHCO3

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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110
Part B: Percentage of Baking Soda in an Unknown Mixture
UNKNOWN #
Mass of test tube and beaker
94.538
98.15 g
Mass of test tube, beaker and unknown mixture
(before heating)
Mass of unknown mixture used
97.419
Mass of test tube, beaker and residue
(after heating)
- 96. 55
97.001
Mass of H2CO3 released
(take before heating - after heating)
Show the calculation for the theoretical mass of baking soda, NaHCO3, present in the sample of
unknown mixture below (using the mass lost during the reaction, see example 2):
Mass of NaHCO3
Show the calculation for the percent of baking soda in the unknown mixture below:
Percent of NaHCO3
Transcribed Image Text:110 Part B: Percentage of Baking Soda in an Unknown Mixture UNKNOWN # Mass of test tube and beaker 94.538 98.15 g Mass of test tube, beaker and unknown mixture (before heating) Mass of unknown mixture used 97.419 Mass of test tube, beaker and residue (after heating) - 96. 55 97.001 Mass of H2CO3 released (take before heating - after heating) Show the calculation for the theoretical mass of baking soda, NaHCO3, present in the sample of unknown mixture below (using the mass lost during the reaction, see example 2): Mass of NaHCO3 Show the calculation for the percent of baking soda in the unknown mixture below: Percent of NaHCO3
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