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

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

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.12QAP

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