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Grades 9-12. Students create a portion of the chemical activity series and consider the practical applications of oxidation-reduction chemistry, such as sacrificial electrodes. They react 4 metals in a salt solution of the other 3 metals and observe the relative reactivity of each metal. Green chemicals (no lead or silver) and microscale materials make this activity an easy and safe alternative to traditional activity series procedures. For 30 students working in pairs.
Grades 9–12. Why is the Statue of Liberty made of copper? Why do ships have magnesium blocks attached to their hulls? Students answer these questions and more as they discover the relative reactivities of metals. Students react metal strips of copper, iron, magnesium, and zinc with solutions of their salts and create a metal activity series based on the results of these single-replacement reactions. The experiment provides valuable practice writing and balancing chemical equations. Use the versatile student lab kit to teach a variety of concepts, such as molecular versus net ionic equations and oxidation-reduction reactions. Materials are sufficient for 30 students working in pairs.
|Reaction Trays, 20 Well||15||Included|
|0.1 M Copper (II) Sulfate, 25 mL||1||Included|
|0.1 M Zinc Sulfate, 30 mL||1||Included|
|0.1 M Magnesium Sulfate, 30 mL||1||Included|
|0.1 M Iron (II) Sulfate, 30 mL||1||Included|
|Copper Metal Strips||2||Included|
|Zinc Metal Strips||2||Included|
|Magnesium Metal Ribbon||1||Included|
|Teacher’s Manual and Reproducible Student Guide||1||Included|
|Wash Bottles||10||Needed, Not included|
|Safety Goggles or Face Shield||Needed, Not included|
|Lab Aprons||Needed, Not included|
|Paper Towels||Needed, Not included|
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