Multiple Choice
For the following voltaic cell, determine the [Cl-] when PCl2 = 0.500 atm, [Zn2+] = 1.77 × 10-2 M, and Ecell = 2.250 V. The half-reactions at 25°C are: Cl2(g) + 2 e- → 2 Cl-(aq) E° = +1.358 V
Zn2+(aq) + 2 e- → Zn(s) E° = -0.763 V
Zn(s) ∣ Zn2+(aq) || Cl-(aq) , Cl2(g) ∣ Pt(s)
A) 5.48 × 10-6 M
B) 2.32 × 10-3 M
C) 0.0296 M
D) 0.0939 M
E) 0.0352 M
Correct Answer:

Verified
Correct Answer:
Verified
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