Download Laporan Resmi Praktikum Kimia Sel Volta PDF

TitleLaporan Resmi Praktikum Kimia Sel Volta
File Size539.4 KB
Total Pages18
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Page 2

http://id.wikipedia.org/w/index.php?title=Sel_elektrokimia_%28elektrokimia%29&action=edit&redlink=1
http://id.wikipedia.org/wiki/Reaksi_redoks
http://id.wikipedia.org/wiki/Luigi_Galvani
http://id.wikipedia.org/w/index.php?title=Alessandro_Guiseppe_Volta&action=edit&redlink=1
http://id.wikipedia.org/w/index.php?title=Alessandro_Guiseppe_Volta&action=edit&redlink=1

Page 9

Percobaan 6 : Mg → Mg
2+

+ 2e

Fe
2+

+ 2e → Fe

Mg + Fe
2+

→ Mg
2+

+ Fe E˚ sel =

Mg(s) / Mg
2+

|| Fe
2+

/ Fe(s) E˚ sel =



Percobaan 7 : Zn → Zn
2+

+ 2e

Fe
2+

+ 2e → Fe

Mg + Fe
2+

→ Mg
2+

+ Fe E˚ sel =

Zn(s) / Zn
2+

|| Fe
2+

/ Fe(s) E˚ sel =





 Potensial sel :

Percobaan 1 : Zn → Zn
2+

+ 2e E˚ = + 0,76 V

Cu
2+

+ 2e → Cu E˚ = + 0,34 V

Zn + Cu
2+

→ Zn
2+

+ Cu E˚ = + 1,10 V

Zn(s) / Zn
2+

|| Cu
2+

/ Cu(s) E˚ sel = + 1,10 V



Percobaan 2 : Mg → Mg
2+

+ 2e E˚ = + 2,38 V

Zn
2+

+ 2e → Zn E˚ = - 0,76 V

Mg + Zn
2+

→ Mg
2+

+ Zn E˚ = + 1,62 V

Mg(s) / Mg
2+

|| Zn
2+

/ Zn(s) E˚ sel = + 1,62 V



Percobaan 3 : Mg → Mg
2+

+ 2e E˚ = + 2,38 V

Pb
2+

+ 2e → Pb E˚ = - 0,13 V

Mg + Pb
2+

→ Mg
2+

+ Pb E˚ = + 2,25 V

Mg(s) / Mg
2+

|| Pb
2+

/ Pb(s) E˚ sel = + 2,25 V

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