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Berikut adalah data potensial reduksi standar ( E 0 ) untuk beberapa kation. C o 2 + + 2 e → C o E o = − 0 , 28 v o lt C r 3 + + 3 e → C r E o = − 0 , 74 v o lt C u 2 + + 2 e → C u E o = + 0 , 34 v o lt P b 2 + + 2 e → P b E o = − 0 , 13 v o lt Sel Volta yang memiliki potensial sel paling besar adalah.......

Berikut adalah data potensial reduksi standar untuk beberapa kation.

Sel Volta yang memiliki potensial sel paling besar adalah.......

  1. CulCu to the power of 2 plus sign parallel to Pb to the power of 2 minus sign vertical line Pb

  2. C o lC o to the power of 2 plus end exponent parallel to C r to the power of 3 plus end exponent vertical line C r

  3. C r lC r to the power of 3 plus end exponent parallel to C u to the power of 2 plus end exponent vertical line C u

  4. C u lC u to the power of 2 plus end exponent parallel to C r to the power of 3 plus end exponent vertical line C r

  5. P b l P b to the power of 2 plus end exponent parallel to C r to the power of 3 plus end exponent vertical line C r

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S. Lubis

Master Teacher

Mahasiswa/Alumni Universitas Sumatera Utara

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Pembahasan

S e l space v o l t a space a d a l a h space r a n g k a i a n space s e l space e l e k t r o k i m i a space y a n g space m e n g h a s i l k a n space a r u s space l i s t r i k. space S e l space v o l t a space t e r d i r i space a t a s space e l e k t r o d a space t e m p a t space b e r l a n g s u n g n y a space r e a k s i space o k s i d a s i space d i s e b u t space a n o d a left parenthesis e l e k t r o d e space n e g a t i f right parenthesis comma space d a n space t e m p a t space b e r l a n g s u n g n y a space r e a k s i space r e d u k s i space d i s e b u t space k a t o d a left parenthesis e l e k t r o d e space p o s i t i f right parenthesis. space A g a r space m e n g h a s i l k a n space a r u s space l i s t r i k space m a k a space E ˚ s e l space greater than space 0 comma space k a r e n a space E ˚ s e l space equals space E subscript r e d end subscript space – space E subscript o k s end subscript comma space m a k a space a g a r space h a s i ln y a space p o s i t i f comma space p o t e n s i a l space r e d u k s i space h a r u s space l e b i h space b e s a r space d a r i p a d a space p o t e n s i a l space o k s i d a s i. S e l space v o l t a space y a n g space m e m i l i k i space p o t e n s i a l space s e l space p a l i n g space b e s a r space j i k a space u n s u r space y a n g space m e n g a l a m i space r e d u k s i space m e m i l i k i space n i l a i space p a l i n g space b e s a r space d a l a m space h a l space i n i space a d a l a h space C u to the power of 2 plus end exponent vertical line C u space d a n space s e b a l i k n y a comma space u n s u r space y a n g space m e n g a l a m i space o k s i d a s i space a d a l a h space u n s u r space d e n g a n space n i l a i space p o t e n s i a l space r e d u k s i space p a l i n g space k e c i l comma space d a l a m space h a l space i n i space a d a l a h space C r to the power of 3 plus end exponent vertical line C r.

E to the power of o s e l space equals space E to the power of o r e d space minus space E to the power of o o k s E to the power of o s e l space equals space E to the power of o C u space minus space E to the power of o C r space space space space space space space space space space space space equals space plus 0 comma 34 space minus space left parenthesis negative 0 comma 74 right parenthesis space space space space space space space space space space space space equals space plus 1 comma 18 space v o l t

 

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