A deep well sample of 100 mL was titrated with 0.010 M EDTA at pH=10 (with Mg-EDTA-pH 10 reagent) and consumed 30.15 mL using EBT indicator. Titration of another 100 mL of the same deep well sample with same titrant but the pH was adjusted to 12.10 and murrexide as indicator consumed 24.25 to reach end point. Calculate: a. Total hardness of water as CaCO3 b. ppm of Ca and Mg
A deep well sample of 100 mL was titrated with 0.010 M EDTA at pH=10 (with Mg-EDTA-pH 10 reagent) and consumed 30.15 mL using EBT indicator. Titration of another 100 mL of the same deep well sample with same titrant but the pH was adjusted to 12.10 and murrexide as indicator consumed 24.25 to reach end point. Calculate: a. Total hardness of water as CaCO3 b. ppm of Ca and Mg
Chapter14: Principles Of Neutralization Titrations
Section: Chapter Questions
Problem 14.9QAP
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A deep well sample of 100 mL was titrated with 0.010 M EDTA at pH=10 (with Mg-EDTA-pH 10 reagent) and consumed 30.15 mL using EBT indicator. Titration of another 100 mL of the same deep well sample with same titrant but the pH was adjusted to 12.10 and murrexide as indicator consumed 24.25 to reach end point.
Calculate:
a. Total hardness of water as CaCO3
b. ppm of Ca and Mg
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