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Essay heading: % Copper In An Ore
 
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Issue: Science
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Date added: June 14, 2005
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No of pages / words: 3 / 653
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We then added de-ionized water to bring the volume of solution up and continued the process. We repeated the adding of de-ionized water and the stirring of solution until no more blue color remained in the solution and no further copper plating was observed. Spectrophotometric Analysis of Cu in an Ore In order to find the spectrophotometric analysis of Cu in an Ore, we made a 0...
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We then confirmed that are blank cuvettes read 0 on the Genesys spectrophotometer . We then measured the 0.500 M Cu2+ absorbance of wave length every 25 nm until reaching 950 nm. We then found our wavelength at which A is a maximum and repeated measuring every 5 nm. We then diluted our solution further using a pipette adding 20 ml, 10 ml, and 5 ml to three separate 25 ml volumetric flask and diluted to the calibration line and swirled vigorously...
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Title Pages / Words Save
% Copper In An Ore
We then added de-ionized water to bring the volume of solution up and continued the process. We repeated the adding of de-ionized water and the stirring of solution until no more blue color remained in the solution and no further copper plating was observed...
3 / 653
Chem lab
Mix with the stirring rod. Rinse the stirring rod. Touch the bottom of the outside of the test tube to see if heat has been released. The copper containing product is copper (II) hydroxide...
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. Copper sulphate solution a clear blue liquid. . Sodium carbonate solution a clear colourless liquid. . When mixed get a milky blue precipitate. . No odour...
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Decant all excess liquid in the beaker. Do not remove any black precipitate. Add approximately 200mL of hot deionized water to the black precipitate. Decant all excess liquid again...
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Prepare a squirt bottle with hot water. Filter the solution and rinse the beaker with the hot water. Rinse the filter cake with hot distilled water. Transfer the filter paper into a clean beaker...
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Put a label on each test tube. With a pencil, number each test tube from one to twelve. C. For this experiment, you will add the measured amount of the first sample to the measured amount of the second sample into its respectively labeled test tube then observe if a reaction occurs...
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