Electrolysis of copper (II) sulfate solution using INERT electrodes Step 3- Students attempt a concept test (pg 13) Teacher explains the electrolysis of copper (II) sulfate solution using reactive electrodes Students explain the phenomena observed using a diagram and writing Students use the PRO structure taught for the concept test Visual Written Written .

How many minutes does it take to plate 0.925 g of silver onto the cathode of an electrolytic cell using a current of 1.55 A? The copper sulfate example is more complicated, but it is a common experiment, so it's useful to know what happens in outline. The worksheet was designed as a starter for students working at a NC level 4. Copper is deposited at the cathode as you would expect, but instead of oxygen being given off at the anode, copper(II) ions go into solution. Electrolysis of Copper Worksheet. Second example: electrolysis of solutions, like copper sulfate in water. A simple activity to show how copper can be obtained from a 0.1M Copper Sulphate solution. Second example: electrolysis of solutions, like copper sulfate in water. Electrolysis of (i) copper sulfate solution with copper electrodes and (ii) acidified water with inert electrodes. Second example: electrolysis of solutions, like copper sulfate in water.

This worksheet / practical task is designed to step students through the process of the Electrolysis of Copper Sulfate in the laboratory as well as provide them … 4.5 2 customer reviews. The dilute copper(II) sulphate solution remains the same. The second part of this investigation covers the products formed during the electrolysis of copper sulfate solution using inert (graphite) electrodes.

Hydrogen ions and sulphate ions remain in the solution. Info. The solution becomes sulphuric acid because copper(II) ions and hydroxide ions are consumed in the electrolysis. Key Words (not all are used in the worksheet but I did write them up on the board) : Electrodes, Anode, Cathode, Electrolysis, Electrolyte, Ion.

The net effect is the transfer of copper from electrode X to electrode Y. The use of copper electrodes illustrates how copper is refined industrially. The copper sulfate gives us Cu 2+ and SO 4 2-. ... (for example, copper sulfate has Cu 2+ and SO 4 2-) and two come from the water; H 2 O breaks down into H + and OH-.

The copper sulfate example is more complicated, but it is a common experiment, so it's useful to know what happens in outline. The copper sulfate gives us Cu 2+ and SO 4 2-. 2. thanks!

Created: May 19, 2012. This involves setting up an electrolysis to investigate the effect of changing the current on the mass of the copper electrodes used in the electrolysis of copper sulfate solution. Student worksheets and accompanying PowerPoint covering the five main extraction methods of copper: smelting and electrolysis, electrolysis of copper salt (sulfate) solution, displacement using scrap iron, bioleaching, phytomining Calculate the minimum time, in seconds, required to deposit 40.0 g of copper at the cathode of an electrolysis cell containing CuSO 4(aq) using a current of 20 000 mA. The setup is the same as before, but there are now four types of ion in the solution.

Activities Demonstration of electrolysis of aqueous sodium sulfate (using universal indicator) and of aqueous potassium iodide (using phenolphthalein indicator) with inert electrodes. A similar change happens if you electrolyse copper(II) sulphate solution using copper electrodes. Preview and details Files included (1) docx, 20 KB. I hope you find it useful. Was used as an introductory lesson to electrolysis before studying it in more depth. 1 ELECTROLYSIS G10 worksheet for Electrloysis including Copper oxides, carbonate, sulfate, chloride, nitrate Substance Hazard Comment Copper (metal) LOW HAZARD Sharp edges can present a risk of cuts.

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