A Voltaic Cell Consists of a Cd/Cd²⁺ Electrode (E $\degree$ = -040 V) and a Fe/Fe²⁺ Electrode (E

question 65

Multiple Choice

A voltaic cell consists of a Cd/Cd²⁺ electrode (E $\degree$ = -0.40 V) and a Fe/Fe²⁺ electrode (E $\degree$ = -0.44 V) . If E_cell = 0 and the temperature is 25 $\degree$ C, what is the ratio [Fe²⁺]/[Cd²⁺]?

• A) 2 *10¹
• B) 1 *10¹
• C) 1
• D) 1 *10¯¹
• E) 5 *10¯²

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