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    Exam 19: Electrochemistry
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    What Is the E<sub>cell</sub> for the Following Concentration Cell at 25
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What Is the Ecell for the Following Concentration Cell at 25

Question 50

Question 50

Multiple Choice

What is the Ecell for the following concentration cell at 25 °C:
Pt(s) ∣ H2(g,0.025 atm) ∣ H+ (0.012 M) What is the E<sub>cell</sub> for the following concentration cell at 25 °C: Pt(s) ∣ H<sub>2</sub>(g,0.025 atm) ∣ H<sup>+</sup> (0.012 M)    H<sup>+</sup> (aq,1 M) ∣ H<sub>2</sub>(g,1 atm) ∣ Pt(s)  2 H<sup>+</sup>(aq) + 2 e<sup>-</sup> → H<sub>2</sub>(g) E° = 0.V A) -0.16 V B) +0.066 V C) -0.132 V D) 0.16 V E) -0.066 V H+ (aq,1 M) ∣ H2(g,1 atm) ∣ Pt(s)
2 H+(aq) + 2 e- → H2(g) E° = 0.V


A) -0.16 V
B) +0.066 V
C) -0.132 V
D) 0.16 V
E) -0.066 V

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