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Lab16 Date: Chemical Reactions II

Observe and classify different types of chemical reactions, including iron in aqueous copper sulfate and copper in aqueous iron sulfate. Also explore reactions between chlorides and sulfates, and alkaline earth chlorides with sodium sulfate. Record observations and balance equations.

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Lab16 Date: Chemical Reactions II

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  1. Lab16 Date: Chemical Reactions II Purpose - Observe and classify different types of chemical reactions

  2. Experiment - Part 1 – Iron in aqueous copper (II) sulfate Place an iron nail in a beaker containing approx. 40 mL of copper(II) sulfate solution. Record observations after a few minutes. Return nail & solution back to original place

  3. Part 2 – Copper in aqueous iron (III) sulfate Place a copper wire in a beaker containing approx. 40 mL of iron (III) sulfate solution. Record observations after a few minutes. Return wire & solution back to original place

  4. Part 3 – Chlorides with Sulfates 10 drops 10 drops 10 drops SrCl2 CaCl2 BaCl2 10 drops Na2SO4 10 drops K2SO4 Chemical well plate

  5. Well Plate Observations

  6. Part 3 – Alkaline Earth Chlorides + Sodium Sulfate record observations 1. pipet 10 mL MgCl2 10 mL CaCl2 10 mL BaCl2 2. Add drops of Na2SO4 to each test tube

  7. Analysis – • Write a skeleton equation for part 1. Assume iron(III) ions were produced. • What was observed in part 2? Explain. • Write a skeleton equation for all 6 equations in part 3. • What was observed in part 3? Explain. • Balance the equations in #1 & #3 • Classify equations 1 and 3 into one of the five reaction types we have discussed. • Write a balanced chemical equations for strontium chloride reacting with manganese (II) sulfate. Results – This is the space for YOUR statement that DESCRIBES what the different types of chemical reactions are AND what types of reactions you observed in Lab #15 & Lab #16

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