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Pertanyaan

Proses elektrolisis lelehan NaCl dengan elektroda karbon, digunakan arus sebesar 10 ampere selama 30 menit. Massa logam natrium yang diperoleh adalah ....

(Ar Na = 23, Cl = 35,5)

  1. fraction numerator 23 space cross times space 10 space cross times space 30 space cross times space 60 over denominator 96500 end fraction

  2. fraction numerator 23 space cross times space 10 space cross times space 30 over denominator 96500 end fraction

  3. fraction numerator 58 comma 5 space cross times space 10 space cross times space 30 space cross times space 60 over denominator 96500 end fraction

  4. fraction numerator 58 comma 5 space cross times space 10 space cross times space 10 over denominator 96500 end fraction

  5. fraction numerator 58 comma 5 space cross times space 10 space cross times space 30 space cross times space 60 over denominator 2 space cross times space 96500 end fraction

S. Hidayati

Master Teacher

Mahasiswa/Alumni Universitas Indonesia

Jawaban terverifikasi

Pembahasan

Reaksi pada katoda : Na to the power of plus space plus space straight e space rightwards arrow space Na
straight W space equals space fraction numerator Ar space Na space cross times space straight t space cross times straight i over denominator 96500 space cross times space straight n space Na end fraction space equals space fraction numerator 23 space cross times space 30 space cross times space 60 space cross times space 10 over denominator 96500 end fraction

22

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