Multiple Choice
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn(s) + 2H+(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) + 2H<sup>+</sup>(aq) → Zn<sup>2+</sup>(aq) + H<sub>2</sub>(g) With = 1.0 atm and [Zn<sup>2+</sup>] = 1.0 mol L<sup>-1</sup>, the cell potential is 0.66 V. The concentration of H<sup>+</sup> in the cathode compartment is ________ mol L<sup>-1</sup>. 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>](https://d2lvgg3v3hfg70.cloudfront.net/TB6103/11ea67b3_9686_ba21_8b3b_7bbde0c81423_TB6103_11.jpg)
= 1.0 atm and [Zn2+] = 1.0 mol L-1, the cell potential is 0.66 V. The concentration of H+ in the cathode compartment is ________ mol L-1.
A) 2.0 × 10-2
B) 4.2 × 10-4
C) 1.4 × 10-1
D) 4.9 × 101
E) 1.0 × 10-12
Correct Answer:
Verified
Correct Answer:
Verified
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