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What is the type of titration is involved this method?  Direct Indirect Residual Blank 2. What is the weight (in grams) to be used?  3. What is the molecular weight to be used?  4. What is the computed molar concentration of EDTA?

What is the type of titration is involved this method?  Direct Indirect Residual Blank 2. What is the weight (in grams) to be used?  3. What is the molecular weight to be used?  4. What is the computed molar concentration of EDTA?

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
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 132IP: A 10.00-g sample of the ionic compound NaA, where A is the anion of a weak acid, was dissolved in...
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1. What is the type of titration is involved this method? 

Direct
Indirect
Residual
Blank

2. What is the weight (in grams) to be used? 

3. What is the molecular weight to be used? 

4. What is the computed molar concentration of EDTA?

A 3.75-g sample of calcium carbonate was dissolved using 6 M HCI, and diluted with water to 500 mL. A 50.00- ml portion of this solution is transferred to a flask and the pH was adjusted by adding 5mL of NH3-NH,CI buffer. After adding EBT indicator, the solution required 47 ml EDTA to reach the end point.
Transcribed Image Text:A 3.75-g sample of calcium carbonate was dissolved using 6 M HCI, and diluted with water to 500 mL. A 50.00- ml portion of this solution is transferred to a flask and the pH was adjusted by adding 5mL of NH3-NH,CI buffer. After adding EBT indicator, the solution required 47 ml EDTA to reach the end point.
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