Show your complete solution 2. Titration of Ca²+ and Mg2+ in a 50.00 ml sample of hard water required 23.65 ml of 0.01205 M EDTA. A second 50.00 ml aliquot was made strongly basic with NaOH to precipitate Mg²+ asMg(OH)2(s). The supernatant liquid was titrated with 14.53 ml of the EDTA solution. Calculatea. The total hardness (this includes the Mg2+) of the water sample expressed as ppm CaCO3.b. The concentration of CaCO3 in the sample in ppm.c. The concentration of MgCO3 in the sample in ppm.

Here we have to determine hardness of water.

s). Te supematant quid was iated with Calculate otal hardness (this includes the Mg2+) of the water sample expressed as ppm CaCO3. concentration of CaCO3 in the sample in ppm. oncentration of MgCO3 in the sample in ppm.

s). Te supematant quid was iated with Calculate otal hardness (this includes the Mg2+) of the water sample expressed as ppm CaCO3. concentration of CaCO3 in the sample in ppm. oncentration of MgCO3 in the sample in ppm.

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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2. Titration of Ca²+ and Mg2+ in a 50.00 ml sample of hard water required 23.65 ml of 0.01205 M EDTA. A second 50.00 ml aliquot was made strongly basic with NaOH to precipitate Mg²+ as
Mg(OH)2(s). The supernatant liquid was titrated with 14.53 ml of the EDTA solution. Calculate
a. The total hardness (this includes the Mg2+) of the water sample expressed as ppm CaCO3.
b. The concentration of CaCO3 in the sample in ppm.
c. The concentration of MgCO3 in the sample in ppm.

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