Replacement of Hydrogen by a Metal

This Replacement of Hydrogen by a Metal lab resource also includes:

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As the most abundant element on the earth, hydrogen requires no replacement. Yet scholars learn to replace hydrogen with a metal to liberate the hydrogen gas. A simple procedure and data table include the necessary information and variables for success in the science lab.

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CCSS: Adaptable
Instructional Ideas

  • Remind pupils to control the reaction rate, because if it happens too fast, hydrogen and the acid solution escape the tube
  • After each pupil or group performs the experiment three times, combine the data from the entire class and look for patterns
Classroom Considerations

  • Relies on prior knowledge of moles, balanced chemical equations, and figuring experimental versus percent error
Pros

  • Provides diagrams of the proper apparatus setup
  • Encourages repeating the experiment for validity
Cons

  • None
Common Core