Calculate the total hardness of the water (expressed in ppm CaCO₃). B. Calculate the calcium hardness of the water (expressed in ppm CaCO₃). C. Calculate the magnesium hardness of the water (expressed in ppm MgCO₃).

Calculate the total hardness of the water (expressed in ppm CaCO₃). B. Calculate the calcium hardness of the water (expressed in ppm CaCO₃). C. Calculate the magnesium hardness of the water (expressed in ppm MgCO₃).

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.35QAP

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Question

A water was tested for water hardness. A 50.00 mL aliquot was prepared and buffered to pH 10.0, it required 23.55 mL of 0.0250 M EDTA. A second aliquot, prepared with NaOH, was titrated with 14.53 mL of the same EDTA titrant. A. Calculate the total hardness of the water (expressed in ppm CaCO₃). B. Calculate the calcium hardness of the water (expressed in ppm CaCO₃). C. Calculate the magnesium hardness of the water (expressed in ppm MgCO₃).

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