1.

Write a C program using for loop to estimate the total, temporary and permanenthardness present in 50 water samples by EDTA method.

Answer»

Answer:

you know the estimation of hardness is based on complexometric titration.

Explanation:

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... The total hardness of WATER is estimated by titrating the water sample against ... Ca2+/Mg2+ wine RED COLOURED complex with Ca2+/Mg2+ ions present in the hard water. ... Ca2+/Mg2+ complex with EDTA leaving the free EBT indicator in solution which is.



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