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  • Report on experiment determining the percentage of copper in the copper ore malachite.

     

    Essays1 Chemistry

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ID number:787657
Evaluation:
Published: 05.06.2003.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
Extract

Determining the Percentage of Copper in a Copper Ore
Aim: To determine the percentage of copper present in malachite.
Hypothesis: That the percentage of copper in the malachite will be four percent.
Materials: 2 x 250mL beaker, pestle, malachite, sulfuric acid, water, 2 x filter paper, funnel, filter stand,
Safety Precautions: Wear safety glasses at all times when dealing with chemicals and apron to avoid ruining clothes.
Method:
Record the mass of the malachite sample. Place the malachite into the 250mL beaker and add 20-30mL of dilute sulfuric acid. Wait until the reaction has slow…

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