Report on experiment determining the percent... / ID: 787657

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ID number:787657

Author: Anonymous author (3)

Evaluation:

Published: 05.06.2003.

Language: English

Level: Secondary school

Literature: n/a

References: Not used

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