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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Question
How much calcium would you ingest by drinking one 8 oz glass of your tap water? Show all calculations.
Transcribed Image Text:Table 2: Complexometric Titration of Tap Water
Tap Water Trial Tap Water Trial
1
2
1ml
Initial Syringe Reading
Final Syringe Reading
Volume of EDTA
Consumed
Water Hardness
ppm CaCO3
Average ppm
0.77 ml
0.23 ml
46.05 ppm
1ml
0.71 ml
0.29 ml
58.06 ppm
52.07 ppm
Tap Water Trial
3
1 ml
0.74 ml
0.26 ml
52.10 ppm
4
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