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 , filtered, and titrated with 14.53 mL of same EDTA solution. Calculate the ff: a.)The total hardness of water sample. b.)Concentration in ppm CaCO3 in the sample. c.)Concentration in ppm MgCO3 in the sample
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 , filtered, and titrated with 14.53 mL of same EDTA solution. Calculate the ff: a.)The total hardness of water sample. b.)Concentration in ppm CaCO3 in the sample. c.)Concentration in ppm MgCO3 in the sample
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.9: Spectrophotometry
Problem 2.1ACP: Excess KI is added to a 100.0-mL sample of a soft drink that had been contaminated with bleach,...
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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 , filtered, and titrated with 14.53 mL of same EDTA solution. Calculate the ff: a.)The total hardness of water sample. b.)Concentration in ppm CaCO3 in the sample. c.)Concentration in ppm MgCO3 in the sample
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