The hardness of a water sample may be determined by titrating a 100-mL sample of water with 0.010 M EDTA. If the Eriochrome Black T (EBT) end point occurs after 12.3 mL of the EDTA solution is added, calculate the water hardness in terms of (1) ppm CaCO3 and (2) mM Ca2+.

The hardness of a water sample may be determined by titrating a 100-mL sample of water with 0.010 M EDTA. If the Eriochrome Black T (EBT) end point occurs after 12.3 mL of the EDTA solution is added, calculate the water hardness in terms of (1) ppm CaCO3 and (2) mM Ca2+.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter15: Complex Ion And Precipitation Equilibria

Section: Chapter Questions

Problem 68QAP

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