A foot powder sample containing Zn was dissolved on 50.00 mL water and was titrated to the end point color with 22.57 mL of 0.01639 M EDTA at pH=4. (a4= 3.61x10-9, KZNY²- = 3.2 × 1016). The pzn in the sample is: Please fill in the space with a numerical value with two digits or two decimal places without units

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter17: Complexation And Precipitation Reactions And Titrations
Section: Chapter Questions
Problem 17.33QAP
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A foot powder sample containing Zn
was dissolved on 50.00 mL water and
was
titrated to the end point color with 22.57
mL of 0.01639 M EDTA at pH=4.
(a4= 3.61x10-9, KZNY2- = 3.2 × 1016). The
pZn in the sample is:
Please fill in the space with a
numerical value with two digits or
two decimal places without units
Transcribed Image Text:A foot powder sample containing Zn was dissolved on 50.00 mL water and was titrated to the end point color with 22.57 mL of 0.01639 M EDTA at pH=4. (a4= 3.61x10-9, KZNY2- = 3.2 × 1016). The pZn in the sample is: Please fill in the space with a numerical value with two digits or two decimal places without units
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