DATA & RESULTS Zn** Concentration 0.01001 M 10 H9 Perliter Ca hortiness Column B D EDTA Titration Initial buret reading (mL) Final buret reading (mL) EDTA Molarity Titrant volume (ml) 1 0 mL 2 17.12 16 12 16.72 0 m2 OmL 3 Water Titration Total Hardness 1 2 2,38 2.12 2,63 0 0 3 Average EDTA Molarity Standard Deviation EDTA Column B Water Sample Magnesium hardness (mg/L as CaCO3) Magnesium concentration (mg/L as Mg2+) 1 2 3 Average Standard Deviation DATA & RESULTS Zn** Concentration 0.01001 M 10 H9 Perliter Ca hortiness Column B D EDTA Titration Initial buret reading (mL) Final buret reading (mL) EDTA Molarity Titrant volume (ml) 1 0 mL 2 17.12 16 12 16.72 0 m2 OmL 3 Water Titration Total Hardness 1 2 2,38 2.12 2,63 0 0 3 Average EDTA Molarity Standard Deviation EDTA Column B Water Sample Magnesium hardness (mg/L as CaCO3) Magnesium concentration (mg/L as Mg2+) 1 2 3 Average Standard Deviation