Experiment 10.docx - 1 Experiment 10 Natural Waters...

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1 Experiment 10: Natural Waters Section A. Determination of Water Hardness by Atomic Absorption Spectroscopy (AA) Read through this section in your Chemtrek and watch the associated video. Follow up with your TA with any questions. Briefly summarize this section. To obtain the data for your specific sample, consult the Experiment 10 Data Table linked in the Experiment 10 module on Canvas. Section B. Evaporation of Your Water Sample to Give Total Dissolved Solids Complete before lab. Goal: Testing water hardness by using common methods. Procedure: Thompson, S. PSU Chemtrek: Expt 10: Natural Waters; Keiser, J., Hayden-McNeil Publishing: Plymouth, MI, 2020, pp 19-1 – 19-22. Complete before lab. Read through this section in your Chemtrek and watch the associated video. Follow up with your TA with any questions. Briefly summarize this section. To obtain the data for your specific sample, consult the Experiment 10 Data Table linked in the Experiment 10 module on Canvas.
Absorbance Value Dilution Factor Complete before lab. Read through this section in your Chemtrek and watch the associated video. Follow up with your TA with any questions. Briefly summarize this section. To obtain the data for your specific sample, access the folder of TDS images linked in the Experiment 10 module on Canvas.
Complete before lab. Question 1:
2 Section C. Divalent Cation Analysis by EDTA Titration Complete before lab. Read through this section in your Chemtrek and watch the associated video. Follow up with your TA with any questions. Briefly summarize this section.

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