c) An EDTA solution is standardized by transferring 0.2657 g of Na,CO, to a 500 mL volumetric flask, dissolved using a minimum of 6 M HCI, and diluted to volume. After transferring a 50 mL portion of this solution to a 250 mL Erlenmeyer flask, the pH is

c) An EDTA solution is standardized by transferring 0.2657 g of Na,CO, to a 500 mL volumetric flask, dissolved using a minimum of 6 M HCI, and diluted to volume. After transferring a 50 mL portion of this solution to a 250 mL Erlenmeyer flask, the pH is

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry

Section: Chapter Questions

Problem 22.25QAP

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Question

c) An EDTA solution is standardized by transferring 0.2657 g of Na,CO, to a 500 mL
volumetric flask, dissolved using a minimum of 6 M HCI, and diluted to volume. After
transferring a 50 mL portion of this solution to a 250 mL Erlenmeyer flask, the pH is

adjusted to 10 with ammoniacal buffer and followed by titration process. If 16.23 mL of
EDTA was required for the titration, what is the molarity of EDTA?

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