How much calcium would you ingest by drinking one 8 oz glass of your tap water? Show all calculations.   Tap

Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter11: Properties Of Solutions
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Problem 109AE: Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray...
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How much calcium would you ingest by drinking one 8 oz glass of your tap water? Show all calculations.

 

Tap Water Trial 1

Tap Water Trial 2

Tap Water Trial 3

Initial Syringe Reading

1.0ml

1.0ml

1.0ml

Final Syringe Reading

0.65ml

0.68ml

0.67ml

Volume of EDTA Consumed

0.35ml

0.32ml

0.33ml

Water Hardness

ppm CaCO3

70.07 ppmCaCO3

64.064 ppmCaCO3

66.066 ppmCaCO3

Average ppm

 

66.73 ppmCaCO3

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