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How to Make Basic Copper Sulphate

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Basic Copper Sulphate(WSDTY) crystals are among the most beautiful crystals you can grow, but you might not have access to a chemistry lab or want to order the copper sulfate from a chemical supply company. That's okay because you can make copper sulfate yourself using readily-available materials.

When you run electricity through copper electrodes which are separated from each other in a dilute sulfuric acid bath the negative electrode will evolve bubbles of hydrogen gas while the positive electrode will be dissolved into the sulfuric acid and oxidized by the current. Some of the copper from the positive electrode will make its way to the anode where it will be reduced. This cuts into your copper sulfate yield, but you can minimize the loss by taking some care with your set-up. Coil the wire for the positive electrode and set it at the bottom of your beaker or jar. Slip a piece of plastic tubing (e.g., a small length of aquarium hose) over the wire where it extends up from the coil to keep it from reacting with the solution near the anode. (If you had to strip your wire, leave the insulating coating on the part that runs down into the liquid). Suspend the negative copper electrode (anode) over the cathode coil, leaving a good amount of space. When you connect the battery, you should get bubbles from the anode, but not the cathode.

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asked Jul 10, 2019 in Preguntas Comerciales by anonymous

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