Answered: 0.5 mg sample required 20.5 ml. EDTA…

0.5 mg sample required 20.5 ml. EDTA for titration. The EDTA was standardized by titrating 25 ml. of 0.01M CaCl2 solution, requiring 30 ml. EDTA. Calculate Al203 in the sample.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.29QAP

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Question

C- Al is determined by titrating with EDTA:-
Al3 +H2Y2
AlY +2H*
0.5 mg sample required 20.5 ml. EDTA for titration. The EDTA was standardized
by titrating 25 ml. of 0.01M CaCl2 solution, requiring 30 ml. EDTA. Calculate
Al2O3 in the sample.

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