Roboguru

Diketahui: Tentukan besarnya potensial sel standar () dari:

Pertanyaan

Diketahui:

Fe and Cu to the power of 2 plus sign yields Fe to the power of 2 plus sign and Cu space space E degree subscript sel equals plus 0 comma 78 space V Sn to the power of 2 plus sign and 2 e yields Sn space space space space space space space space space space space space space space E degree subscript sel equals minus sign 0 comma 14 space V Cu to the power of 2 plus sign and 2 e yields Cu space space space space space space space space space space space space space E degree subscript sel equals plus 0 comma 34 space V

Tentukan besarnya potensial sel standar (E degree sel) dari:

Fe and Sn to the power of 2 plus signspace

Pembahasan Soal:

Fe and Cu to the power of 2 plus sign yields Fe to the power of 2 plus sign and Cu space space E degree subscript sel equals plus 0 comma 78 space V Sn to the power of 2 plus sign and 2 e yields Sn space space space space space space space space space space space space space space E degree subscript sel equals minus sign 0 comma 14 space V Cu to the power of 2 plus sign and 2 e yields Cu space space space space space space space space space space space space space E degree subscript sel equals plus 0 comma 34 space V

Pertama harga potensial reduksi standar Fe dihitung terlebih dahulu dengan data Esel reaksi pertama.

E degree subscript sel equals E degree subscript reduksi minus sign E degree subscript oksidasi 0 comma 78 equals plus 0 comma 34 minus sign E degree space Fe E degree space Fe equals minus sign 0 comma 44 space V

Kemudian menghitung E sel untuk reaksi: Fe and Sn to the power of 2 plus sign yields Fe to the power of 2 plus sign and Sn

E degree subscript sel equals E degree subscript reduksi minus sign E degree subscript oksidasi E degree subscript sel equals minus sign 0 comma 14 minus sign left parenthesis minus sign 0 comma 44 right parenthesis E degree subscript sel equals 0 comma 3 space V

Jadi, harga potensial sel standar (E degree sel) nya adalah +0,3 V.space

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 10 Juni 2021

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