CS
Chapter 14 Electrochemistry

What is the value of e for the following reaction 2h

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51. What is the value of E for the following reaction? 2H + (aq, 1.00 M) + 2e H 2 (g, 1.00 atm) 52. Consider the following cell: Pt H 2 (g, 1 atm) H + (aq, ? M) m Ag + (aq, 1.0 M) Ag(s) If the voltage of this cell is 1.04 V at 25 C and the standard potential of the Ag + /Ag couple is +0.80 V, calculate the hydrogen ion concentration in the anode compartment. 53. Consider the following cell: Zn(s) Zn 2+ (aq, 0.100 M) m Cl (aq, ? M) Cl 2 (g, 0.500 atm) Pt For this cell, E = 2.12 V and E = 2.27 V at 25 C. Calculate the Cl (aq) concentration in the cathode compartment. A) 1.2 10 1 M D) 1.5 10 3 M B) 4.3 10 5 M E) 6.5 10 3 M C) 2.9 10 3 M Ans: E
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