Why do we add buffer solution during titration of hard water against edta sol?
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# The buffer adjusts the pH to ensure that the reaction goes to completion.
Explanation :-
Buffer is a substance it will little resists change in the pH of the solution. During the complexometric titration using EDTA , it is very necessary to maintain the pH of the solution near about 10. For example:- we use ammonia ammoniumchloride buffer. If we will not use this buffer , during the titration of pH of solution will go lower side or acidic side...i hope it helps you
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# The buffer adjusts the pH to ensure that the reaction goes to completion.
Explanation :-
Buffer is a substance it will little resists change in the pH of the solution. During the complexometric titration using EDTA , it is very necessary to maintain the pH of the solution near about 10. For example:- we use ammonia ammoniumchloride buffer. If we will not use this buffer , during the titration of pH of solution will go lower side or acidic side...i hope it helps you
================================
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