Омеднение алюминия. Электролиз с переносом вещества. Анод - медь, катод - алюминий. Сульфат меди
В растворе сернистокислой меди
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![World’s biggest subwoofer! Самый большой сабвуфер в мире! [eng sub]](https://sun9-22.userapi.com/qYw32myEhDU6xe-SFnsh7-PTgpyOYg9qK8DC9Q/fmBdACSXCfo.jpg)
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