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09 – Titrations & their CALCULATIONS

Chemistry 30 – Unit 2 – Solubility – Ch. 16 in Text. 09 – Titrations & their CALCULATIONS. Titrations. Titrations are used to measure the molarity of a solution using a standard solution . Acid base titrations involve neutralization (More on this in future units)

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09 – Titrations & their CALCULATIONS

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  1. Chemistry 30 – Unit 2 – Solubility – Ch. 16 in Text 09 – Titrations & their CALCULATIONS

  2. Titrations • Titrations are used to measure the molarity of a solution using a standard solution. • Acid base titrations involve neutralization(More on this in future units) • An acid base indicator is used to show when the titration is complete. • Changes color to indicate completion • Basically you slowly add one solution to another until a color change is observed • The amount (volume) of solution you added then allows you to perform various calculations

  3. Titration Calculations • A titration calculation is a simple stoichiometric calculation. Follow the 4 steps: • Balance the equation • Go to moles • Rebalance • Go where it asks

  4. Example 1: • What volume of 0.32 M nitric acid is needed to neutralize 26 mL of 0.22 M calcium hydroxide solution?

  5. Example 2: • What volume of 0.80 mol/L KOH is needed to neutralize 15.0 mL of 0.65 M H2SO4?

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