Asked by Rachel
I am required to design an experiment which will allow me to produce exactly 12.5g of pure dry Copper Hydroxide. I need to include equipment required, Chemicals required, step by step method and any particular limitations/cautions which must be exercised whilst following the experiment. Thanks heaps
Answers
Answered by
DrBob222
I don't think anyone here will be willing to write a three or four page report but allow me to give you some hints.
You really don't know the purity of many of the salts of copper; however, starting with copper wire or copper turnings might be a good possibility. Copper wire can be purchased with either essentially 100% purity. So you need to calculate how much copper to start your experiment with. Exactly 12.50 g Cu(OH)2 is 12.50/97.56 = moles Cu(OH)2 and that times molar mass Cu metal (63.546) gives 8.1419 g copper. I would dissolve that in HNO3, treat with NaOH, filter the Cu(OH)2, wash, dry. You can supply the details.
You really don't know the purity of many of the salts of copper; however, starting with copper wire or copper turnings might be a good possibility. Copper wire can be purchased with either essentially 100% purity. So you need to calculate how much copper to start your experiment with. Exactly 12.50 g Cu(OH)2 is 12.50/97.56 = moles Cu(OH)2 and that times molar mass Cu metal (63.546) gives 8.1419 g copper. I would dissolve that in HNO3, treat with NaOH, filter the Cu(OH)2, wash, dry. You can supply the details.
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