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Determination of Water Hardness by Titration

Determination of Water Hardness by Titration

  • Perform a complexometric titration to determine the level of calcium ions in a water sample.
  • Investigate the characteristics of an ion exchanger and its water softening uses.
  • Evaluate the effectiveness of a water softening process.

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Materials

  • Calmagite Indicator Solution, 1%, 30 mL
  • Ethylenediaminetetraacetic Acid (EDTA) Solution, 0.01 M, 50 mL
  • Hard Water Mix, 1 g
  • Ion Exchange Resin, 10 g
  • pH 10 Buffer Capsule
  • Syringe, 10 mL
  • Syringe, 1 mL
  • Cotton Ball
  • Metal Washer
  • Plastic Mini Spoon
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