Chapter11: Dynamic Electrochemistry
Section: Chapter Questions
Problem 9P
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Question
![For the complexometric titration of Ca (II) ions in
the shell of the egg sample weighing 59.427 g, the
necessary procedures were applied to the egg
shells and 100 mL sample was prepared. 1 mL was
taken from the prepared sample, diluted to 100
mL, the pH was adjusted, and two drops of EBT
indicator were dropped on it. The solution
prepared was titrated with 27.4mL of 0.0097 M
EDTA solution. Calculate the amount of calcium in
the sample in terms of% CaC03. (Ca = 40 g / mol,
CACO3 = 100g / mol)
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd845f6d9-ceee-4c85-b624-998268ff92c8%2F3610d192-0515-4e8d-80af-bbda95d39491%2Fcudy9o_processed.png&w=3840&q=75)
Transcribed Image Text:For the complexometric titration of Ca (II) ions in
the shell of the egg sample weighing 59.427 g, the
necessary procedures were applied to the egg
shells and 100 mL sample was prepared. 1 mL was
taken from the prepared sample, diluted to 100
mL, the pH was adjusted, and two drops of EBT
indicator were dropped on it. The solution
prepared was titrated with 27.4mL of 0.0097 M
EDTA solution. Calculate the amount of calcium in
the sample in terms of% CaC03. (Ca = 40 g / mol,
CACO3 = 100g / mol)
%3D
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