Consider the galvanic cell in the following reaction Zng) + 2H* (? M) => Zn²* ( 1M) + H2 (1 M) Where 2H* (aq) + 2e" H2g) & E°= 0 V => Zn2+ (aq) + 2e" => Zns) & E°= -0.76 V Suppose the cell potential E is 0.54V at room temperature, [Zn²+] = 1 M and PH2 = 1 atm, what is the molar concentration (M) of H*? 4X10-3 5X10-3 7X10-4 3X10 2 2X10-4

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Consider the galvanic cell in the following reaction
Zng) + 2H* (? M) => Zn²* ( 1M) + H2 (1 M)
Where
2H* (ag) + 2e =>
H2(g)
& E°= 0 V
Zn2+
(aq)
+ 2e" => Zn(s) & E°= -0.76 V
Suppose the cell potential E is 0.54V at room temperature, [Zn2+] = 1 M and PH2 = 1
atm, what is the molar concentration (M) of H*?
4X10-3
5X10-3
7X10-4
3X10-2
2X10-4
Transcribed Image Text:Consider the galvanic cell in the following reaction Zng) + 2H* (? M) => Zn²* ( 1M) + H2 (1 M) Where 2H* (ag) + 2e => H2(g) & E°= 0 V Zn2+ (aq) + 2e" => Zn(s) & E°= -0.76 V Suppose the cell potential E is 0.54V at room temperature, [Zn2+] = 1 M and PH2 = 1 atm, what is the molar concentration (M) of H*? 4X10-3 5X10-3 7X10-4 3X10-2 2X10-4
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