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The Standard Cell Potential (E°)of a Voltaic Cell Constructed Using

Question 142

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The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn(s) + 2 H+(aq) → Zn2+(aq) + H2(g)
With The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn(s) + 2 H<sup>+</sup>(aq) → Zn<sup>2+</sup>(aq) + H<sub>2</sub>(g) With = 1.0 atm and [Zn<sup>2+</sup>] = 1.0 M,the cell potential is 0.66 V.The concentration of in the cathode compartment is ________ M. A) 2.0 × 10<sup>-2</sup> B) 4.2 × 10<sup>-4</sup> C) 1.4 × 10<sup>-1</sup> D) 4.9 × 10<sup>1</sup> E) 1.0 × 10<sup>-12</sup> = 1.0 atm and [Zn2+] = 1.0 M,the cell potential is 0.66 V.The concentration of The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn(s) + 2 H<sup>+</sup>(aq) → Zn<sup>2+</sup>(aq) + H<sub>2</sub>(g) With = 1.0 atm and [Zn<sup>2+</sup>] = 1.0 M,the cell potential is 0.66 V.The concentration of in the cathode compartment is ________ M. A) 2.0 × 10<sup>-2</sup> B) 4.2 × 10<sup>-4</sup> C) 1.4 × 10<sup>-1</sup> D) 4.9 × 10<sup>1</sup> E) 1.0 × 10<sup>-12</sup> in the cathode compartment is ________ M.


A) 2.0 × 10-2
B) 4.2 × 10-4
C) 1.4 × 10-1
D) 4.9 × 101
E) 1.0 × 10-12

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