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To Determine total hardness of Water sample in terms of Caco3 by EDTA Titration method using Eriochrome black T indicator – Chemical Practical – Go Practicals
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2. 20 ml of standard hard water (containing 2gms of CaCO3 per 500 mL) required 25 mL of EDTA Solution - Brainly.in
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Hardness of Water 1st Step: The calcium ion coordinates with the indicator (Eriochrome Black T). H2In- + Ca2+ ↔ CaIn- + 2H1+ 2nd Step: - ppt video online download
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PDF) 21 Water Softening CALCULATING CALCIUM HARDNESS AS CACO 3 | Shariful Haque Robin - Academia.edu
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