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ElektrolisisKimia XII
Elektrolisis leburan Al₂O₃
Karena wujudnya leburan, di katoda terjadi reduksi kation Al
Kaoda: Al³⁺(aq) + 3e → Al(s)
Diminta menghitung endapan Al di katoda dengan Hukum Faraday I
Ar Al = 27, muatan e = +3
Diperoleh jumlah logam Al sebanyak 9 gram