Worksheet: The Dilution Equation

In this worksheet, we will practice calculating the concentration after a solution is diluted or the solvent volume needed to reach a target concentration.


A solution is prepared by mixing 25.0 mL of 0.100 M aqueous KCl with 50.0 mL of 0.0200 M aqueous KCl. Calculate the concentration of KCl in this solution.


What does not change when a solution of sodium chloride is diluted from 1.0 L to 1.8 L?

  • AThe concentration of the ions
  • BThe average distance between ions
  • CThe solubility of sodium chloride
  • DThe total volume
  • EThe amount of solvent

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