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Obtaining and using experimental data for deriving empirical formulas from reactions involving mass changes

Experiments

Here are experiments our science specialists have selected to support the IB* topic.

Recommended

The Determination of a Chemical Formula

Experiment #1 from Advanced Chemistry with Vernier

In this experiment, you will

  • Determine the water of hydration in a copper chloride hydrate sample.
  • Conduct a reaction between a solution of copper chloride and solid aluminum.
  • Use the results of the reaction to determine the mass and moles of Cu and Cl in the reaction.
  • Calculate the empirical formula of the copper chloride compound.

Recommended

The Determination of the Percent Water in a Compound

Experiment #2 from Advanced Chemistry with Vernier

In this experiment, you will

  • Carefully heat a measured sample of a hygroscopic ionic compound.
  • Determine the water of hydration of the compound.
  • Complete the chemical formula of the compound.

Educational Standard
International Baccalaureate (IB)
Subject
Chemistry
Section
Prescribed Practicals
Topic
1.2 The mole concept

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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