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Unformatted text preview: Burette Reading (ml) Total Volume (ml) Initial Final Treated Water (U.M. Tap) Raw Potable Water Distilled Water Blank 200 mg/L control 200 mg/L control Notes or comments about the titration. DATA ANALYSIS Compute the equivalent concentration (eq/L) of the EDTA titrant. Show Work. Use the average of the values obtained. Hardness of the Samples and Categorize Them as Soft, Moderately Hard, or Very Hard Sample I.D. Description Hardness Hardness Category mg/L as CaCO 3 eq/L Treated Water (U.M. Tap) Raw Potable Water Distilled Water Blank 200 mg/L control 200 mg/L control DATA ANALYSIS (Continued) Compute the % error of the experiments using the average values of the 200 mg/L control. DISCUSSION AND CONCLUSION 1.Discuss data quality and possible sources of error....
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- Spring '11