Empirical Formula Determination

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Name:        Jonathan Tam                Class:        12A

Chemistry

Experiment report

Empirical Formula Determination

Aim:        To find the empirical formula of Copper oxide

Equipment:        Bunsen burner                Boss

                Heatproof mat                Clamp

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                Combustion tube        Delivery tube

                Retort Stand                Mineral paper

                

Method:        

  1. Put a square of mineral paper in the combustion tube. Weigh the tube.
  2. Add a spatula of copper oxide. Reweigh the combustion tube.
  3. Setup the apparatus. Hold the tube in a metal clamp. Join the delivery tube to a gas tap.
  4. Turn on the gas tap. Let the gas flow for thirty seconds. Light the gas at the small hole at arm’s length. Adjust the gas tap to make a small flame.
  5. Strongly heat the copper oxide until a reaction takes place.
  6. Turn off the Bunsen burner. Let ...

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