Question: Pls step by step.. Hardness determination in a water source is desired. It is known that the calcium hardness for this water sample is 40%

Pls step by step..

Hardness determination in a water source is desired. It is known that the calcium hardness for this water sample is 40% of the total hardness. 25 ml sample was taken from this source and made up to 50 ml with distilled water. After obtaining 1ml of EDTA buffer solution, 3 mg of EBT (Eriochrome Blue Black T) was added. A sample of 25 ml was taken from the same water source and made up to 100 ml. Then, 4mg murexide (Ammonium Purpurate) indicator) was added. Subsequently, 8.6 ml of EDTA was consumed by titration. Then, considering that there is an 8% negative error after the analysis for the total hardness, what is the amount of consumption to be obtained at the end of the titration process with EDTA?

Hardness for Black T= Pls step by step.. Hardness determination in a water source is desired. Hardness for Ca= It is known that the calcium hardness for this water sample is

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