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...
Related questions
Question

Transcribed Image Text:Which of the following
statements regarding
complexometric titrations is
? incorrect
The larger the formation O
constant for the EDTA-
metal complex, the
sharper the endpoint
EDTA is a tetraprotic acid O
The higher the ammonia O
concentration, the less
sharper the end point for
the
EDTA-Zn²+ complex
In the pH range 3-10 the
predominant species is
y4-
ɑ4 value is proportional to O
the pH value
Expert Solution

Step 1
In the pH range 3-10 the predominant species are H2Y2-2 and HY3-.
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