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A sample of pure CaCO3 weighing 0.2428g is dissolved in HCI acid and the solution diluted to 250.0ml in a volumetric flask. A 50.00 ml aliquot requires 42.74ml of an EDTA solution for titration. a. Calculate the molarity of the EDTA solution b. Calculate the number of grams of Na₂H₂Y.2H2O (MW = 372.2) required to prepared 1 liter of the solution.

A sample of pure CaCO3 weighing 0.2428g is dissolved in HCI acid and the solution diluted to 250.0ml in a volumetric flask. A 50.00 ml aliquot requires 42.74ml of an EDTA solution for titration. a. Calculate the molarity of the EDTA solution b. Calculate the number of grams of Na₂H₂Y.2H2O (MW = 372.2) required to prepared 1 liter of the solution.

Chemistry
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
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1. A sample of pure CaCO3 weighing 0.2428g is dissolved in HCI acid and the solution diluted to 250.0ml in a volumetric flask. A 50.00 ml aliquot requires 42.74ml of an EDTA solution for titration. a. Calculate the molarity of the EDTA solution b. Calculate the number of grams of Na₂H₂Y.2H2O (MW = 372.2) required to prepared 1 liter of the solution.
Transcribed Image Text:1. A sample of pure CaCO3 weighing 0.2428g is dissolved in HCI acid and the solution diluted to 250.0ml in a volumetric flask. A 50.00 ml aliquot requires 42.74ml of an EDTA solution for titration. a. Calculate the molarity of the EDTA solution b. Calculate the number of grams of Na₂H₂Y.2H2O (MW = 372.2) required to prepared 1 liter of the solution.
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