A voltaic cell consists of a Fe/Fe* half-cell and Cu/Cư* half-cellas the following reaction: Fe (s) → Fe?* (aq) + 2e Cu²* (aq) + 2e → Cu (s) E° = -0.44 V E° = 0.34 V Fe (s) + Cư?* (aq) → Fe?* (aq) + Cu (s) Sekiranya kepekatan Fe2* ialah 2.268 x 1010 M, berapakah kepekatan Cu?* yang perlu untuk meningkatkan Ecel sebanyak 0.27 V dari E°cel pada 25°C? If the concentration of Fe* is 2.268 x 1010 M, what must the concentration of Cu be to increase Ecen by 0.27 V from Pce at 25°C?

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b) Satu sel voltan terdiri daripada setengah sel Fe/Fe?+ dan setengah sel Cu/Cu2+ seperti
tindak balas berikut:
A voltaic cell consists of a Fe/Fe* half-cell and Cu/Cu half-cell as the following reaction:
Fe (s) → Fe2* (aq) + 2e
Cu?* (aq) + 2e → Cu (s)
E° = -0.44 V
E° = 0.34 V
Fe (s) + Cu?* (aq) → Fe?* (aq) + Cu (s)
Sekiranya kepekatan Fe2+ ialah 2.268 x 1010 M, berapakah kepekatan Cu²* yang perlu
untuk meningkatkan Ecell sebanyak 0.27 V dari E°cal pada 25°C?
If the concentration of Fe+ is 2.268 x 1010 M, what must the concentration of Cu be to
increase Ece by 0.27 V from Pcel at 25 C?
Transcribed Image Text:b) Satu sel voltan terdiri daripada setengah sel Fe/Fe?+ dan setengah sel Cu/Cu2+ seperti tindak balas berikut: A voltaic cell consists of a Fe/Fe* half-cell and Cu/Cu half-cell as the following reaction: Fe (s) → Fe2* (aq) + 2e Cu?* (aq) + 2e → Cu (s) E° = -0.44 V E° = 0.34 V Fe (s) + Cu?* (aq) → Fe?* (aq) + Cu (s) Sekiranya kepekatan Fe2+ ialah 2.268 x 1010 M, berapakah kepekatan Cu²* yang perlu untuk meningkatkan Ecell sebanyak 0.27 V dari E°cal pada 25°C? If the concentration of Fe+ is 2.268 x 1010 M, what must the concentration of Cu be to increase Ece by 0.27 V from Pcel at 25 C?
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