2
answers
1
watching
572
views
16 Nov 2019
A concentration cell consisting of two hydrogen electrodes (PH2 = 1atm), where the cathode is a standard hydrogen electrode and the anode solution has an unknown pH, has a cell voltage of 0.222 V. What is the pH in the unknown solution? Assume the temperature of the solutions is 298 K.
Equilibrium Constants Other Tables Standard Reduction (Electrode) Potentials at 25 uC Half-Cell Reaction E (volts 2.87 F2(g) 2 e' 2 F (aq Ce4+(aq) et 1.61 Mn2+(aq) 4 Hzo( Mnos (aq) 8 H (aq) 5 e 1.51 1.36 Cl2(g) 2 e 2 CI (aq crzo72 (aq) 14 H+(aq) 6 e 1.33 O2(g) 4 H (aq) 4 e 1.229 Br20) 2 e 2 Br (aq NO3 (aq) 4 H (aq) 3 e 0.96 NO(g) 2 H200 (aq) 2 e Hg2+(aq) 2 et O2(g) 4 H (aq, 10 M) 4 e 0.82 Ag (aq) e' Ag(s) Hgz2 (aq) 2 et 2 hig(I) Fe3 (aq) e Fe2+(aq) Iz(s) 2 e Fe(CN) e Fe(CN) 6 (aq) Cu2+(aq) 2 et cu(s) cu2+(aq) et 0.153 S(s) 2 H (aq) 2 e 0.14 2 H (aq) 2 e pb2+(aq) 2 e 0.126 sin? (aq) 2 e sin(s) 0.14 Niz+(aq) 2 e Ni(s) Co2 (aq) 2 et Co(s) cd2+(aq) 2 et cra (aq) et cre (aq 0.41 0.41 2 hizo(I) 2 e Hz(g) 2 OH (aq, 10 M Fe2+(aq) 2 e Fe(s cra (aq) 3 et 0.74 zn2 (aq) 2 e 2 hizo(I) 2 e H2(g) 2 OH (aq Mn2+(aq) 2 et 1.18 Mn(s AP (aq) 3 et 1.66 Mg2+(aq) 2 et 2.37 Mg(s 2.714 Na (aq) e' Na(s 2.925 KT (aq) e' Li (aq) e
A concentration cell consisting of two hydrogen electrodes (PH2 = 1atm), where the cathode is a standard hydrogen electrode and the anode solution has an unknown pH, has a cell voltage of 0.222 V. What is the pH in the unknown solution? Assume the temperature of the solutions is 298 K.
Equilibrium Constants Other Tables Standard Reduction (Electrode) Potentials at 25 uC Half-Cell Reaction E (volts 2.87 F2(g) 2 e' 2 F (aq Ce4+(aq) et 1.61 Mn2+(aq) 4 Hzo( Mnos (aq) 8 H (aq) 5 e 1.51 1.36 Cl2(g) 2 e 2 CI (aq crzo72 (aq) 14 H+(aq) 6 e 1.33 O2(g) 4 H (aq) 4 e 1.229 Br20) 2 e 2 Br (aq NO3 (aq) 4 H (aq) 3 e 0.96 NO(g) 2 H200 (aq) 2 e Hg2+(aq) 2 et O2(g) 4 H (aq, 10 M) 4 e 0.82 Ag (aq) e' Ag(s) Hgz2 (aq) 2 et 2 hig(I) Fe3 (aq) e Fe2+(aq) Iz(s) 2 e Fe(CN) e Fe(CN) 6 (aq) Cu2+(aq) 2 et cu(s) cu2+(aq) et 0.153 S(s) 2 H (aq) 2 e 0.14 2 H (aq) 2 e pb2+(aq) 2 e 0.126 sin? (aq) 2 e sin(s) 0.14 Niz+(aq) 2 e Ni(s) Co2 (aq) 2 et Co(s) cd2+(aq) 2 et cra (aq) et cre (aq 0.41 0.41 2 hizo(I) 2 e Hz(g) 2 OH (aq, 10 M Fe2+(aq) 2 e Fe(s cra (aq) 3 et 0.74 zn2 (aq) 2 e 2 hizo(I) 2 e H2(g) 2 OH (aq Mn2+(aq) 2 et 1.18 Mn(s AP (aq) 3 et 1.66 Mg2+(aq) 2 et 2.37 Mg(s 2.714 Na (aq) e' Na(s 2.925 KT (aq) e' Li (aq) e
asifasabirLv10
12 Jun 2023
Elin HesselLv2
16 Nov 2019
Already have an account? Log in
Related textbook solutions
Basic Chemistry
5 Edition,
Timberlake
ISBN: 9780134138046
Principles of Chemistry Molecular Approach
4th Edition,
Tro
ISBN: 9780134112831
Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944
Chemistry: Structure and Properties
2nd Edition,
Tro
ISBN: 9780134293936
Chemistry: A Molecular Approach
3rd Edition,
Tro
ISBN: 9780321809247
Chemistry: A Molecular Approach
5th Edition,
Tro
ISBN: 9780134874371
Principles of Chemistry: A Molecular Approach
4th Edition,
Tro
ISBN: 9780134895741
Chemistry: The Central Science
14th Edition, 2017
Brown
ISBN: 9780134414232
Related questions
| Reduction Half-Reaction | Standard Potential Ered° (V) |
| F2(g) + 2eâ â 2Fâ(aq) | +2.87 |
| O3(g) + 2H3O+(aq) + 2eâ â O2(g) + 3H2O(l) | +2.076 |
| Co3+(aq) + eâ â Co2+(aq) | +1.92 |
| H2O2(aq) + 2H3O+(aq) + 2eâ â 2H2O(l) | +1.776 |
| N2O(g) + 2H3O+(aq) + 2eâ â N2(g) + 3H2O(l) | +1.766 |
| Ce4+(aq) + eâ â Ce3+(aq) | +1.72 |
| PbO2(s) + SO42â(aq) + 4H3O+(aq) + 2eâ â PbSO4(s) + 6H2O(l) | +1.6913 |
| MnO4â(aq) + 4H3O+(aq) + 3eâ â MnO2(s) + 6H2O(l) | +1.679 |
| NiO2(s) + 4H3O+(aq) + 2eâ â Ni2+(aq) + 6H2O(l) | +1.678 |
| HClO2(aq) + 2H3O+(aq) + 2e- â HClO(aq) + 3H2O(l) | +1.645 |
| 2HClO2(aq) + 6H3O+(aq) + 6e- â Cl2(g) + 10H2O(l) | +1.628 |
| 2HClO(aq) + 2H3O+(aq) + 2eâ â Cl2(g) +4H2O(l) | +1.611 |
| H5IO6(s) + H3O+(aq) + 2eâ â IO3â(aq) + 4H2O(l) | +1.601 |
| RuO4-(aq) + 4H3O+(aq) + 2e- â RuO2+(aq) + 6H2O(l) | +1.6 |
| 2NO(g) + 2H3O+(aq) + 2eâ â N2O(g) + 3H2O(l) | +1.591 |
| IO4-(aq) + 2H3O+(aq) + 2eâ â IO3-(aq) + 3H2O(l) | +1.589 |
| MnO4â(aq) + 8H3O+(aq) + 5eâ â Mn2+(aq) + 12H2O(l) | +1.507 |
| RuO2+(aq) + 2H3O+(aq) + e- â Ru(OH)22+(aq) + 2H2O(l) | +1.5 |
| Au3+(aq) + 3eâ â Au(s) | +1.498 |
| 2ClO3-(aq) + 12H3O+(aq) + 10e- â Cl2(g) + 18H2O(l) | +1.47 |
| PbO2(s) + 4H3O+(aq)+ 2eâ â Pb2+(aq) + 6H2O(l) | +1.455 |
| ClO3â(aq) + 6H3O+(aq) + 6eâ â Clâ(aq) + 9H2O(l) | +1.451 |
| BrO3â(aq) + 6H3O+(aq) + 5eâ â 1/2Br2(l) + 9H2O(l) | +1.482 |
| HOI(aq) + H3O+(aq) + eâ â 1/2I2(s) + 2H2O(l) | +1.430 |
| RuO4(aq) + 6H3O+(aq) + 4e- â Ru(OH)22+(aq) + 8H2O(l) | +1.40 |
| 2ClO4â(aq) + 16H3O+(aq) + 14eâ â Cl2(g) + 24H2O(l) | +1.39 |
| ClO4â(aq) + 8H3O+(aq) + 8eâ â Clâ(aq) + 12H2O(l) | +1.389 |
| Cl2(g) + 2eâ â 2Clâ(aq) | +1.36 |
| ClO4â(aq) + 6H3O+(aq) + 6eâ â ClOâ(aq) + 9H2O(l) | +1.36 |
| HBrO(aq) + H3O+(aq) + 2eâ â Brâ + 2H2O(l) | +1.331 |
| IO4-(aq) + 8H3O+(aq) + 7eâ â 1/2I2(s) + 12H2O(l) | +1.318 |
| ClO2(aq) + H3O+(aq) + e- â HClO2(aq) + H2O(l) | +1.277 |
| Zn(OH)2(s) + 2eâ â Zn(s) + 2OHâ(aq) | +1.249 |
| Cr2O72â(aq) + 14H3O+(aq) + 6eâ â 2Cr3+(aq) + 21H2O(l) | +1.232 |
| O2(g) + 4H+(aq) + 4eâ â 2H2O(l) | +1.23 |
| MnO2(s) + 4H3O+(aq) + 2eâ â Mn2+(aq) + 6H2O(l) | +1.224 |
| ClO3-(aq) + 3H3O+(aq) + 2e- â HClO2(aq) + 4H2O(l) | +1.214 |
| 2IO3â(aq) + 12H3O+(aq) + 10eâ â I2(s) + 18H2O(l) | +1.195 |
| ClO4â(aq) + 2H3O+(aq) + 2eâ â ClO3â(aq) + 3H2O(l) | +1.189 |
| Pt2+(aq) + 2eâ â Pt(s) | +1.18 |
| IO3-(aq) + 5H3O+(aq) + 4eâ â HOI(aq) + 7H2O(l) | +1.154 |
| ClO3-(aq) + 2H3O+(aq) + e- â ClO2(aq) + 3H2O(l) | +1.152 |
| Br2(aq) + 2eâ â 2Brâ(aq) | +1.0873 |
| Br2(l) + 2eâ â 2Brâ(aq) | +1.07 |
| RuO4(aq) + 8H3O+(aq) + 8e- â Ru(s) + 12H2O(l) | +1.04 |
| NO2(g) + 2H3O+(aq) + 2eâ â NO(g) + 3H2O(l) | +1.03 |
| RuO4(aq) + e- â RuO4-(aq) | +1.00 |
| NO3â(aq) + 4H3O+(aq) +3eâ â NO(g) + 6H2O(l) | +0.957 |
| 2Hg2+(aq) + 2eâ â Hg22+(aq) | +0.920 |
| Ru(OH)22+(aq) + 2H3O+(aq) + e- â Ru3+(aq) + 4H2O(l) | 0.86 |
| Hg2+(aq) + 2eâ â Hg(l) | +0.851 |
| ClOâ(aq) + H2O(l) + 2eâ â Clâ(aq) + 2OHâ(aq) | +0.81 |
| Ag+(aq) + eâ â Ag(s) | +0.80 |
| Hg22+(aq) + 2eâ â 2Hg(l) | +0.7973 |
| Fe3+(aq) + eâ â Fe2+(aq) | +0.771 |
| Ni(OH)2(s) + 2eâ â Ni(s) + 2OHâ(aq) | +0.72 |
| p-benzoquinone + H3O+(aq) + 2eâ â hydroquinone + H2O(l) | +0.6992 |
| O2(g) + 2H3O+(aq) + 2eâ â H2O2(l) + 2H2O(l) | +0.695 |
| Ru(OH)22+(aq) + 2H3O+(aq) + 4e- â Ru(s) + 4H2O(l) | +0.68 |
| MnO4â(aq) + 2H2O(l) + 3eâ â MnO2(s) + 4OHâ(aq) | +0.595 |
| I2(s) + 2eâ â 2Iâ(aq) | +0.54 |
| I3â(aq) + 2eâ â 3Iâ(aq) | +0.536 |
| Cu+(aq) + eâ â Cu(s) | +0.52 |
| Ru2+(aq) + 2e- â Ru(s) | +0.455 |
| O2(g) + 2H2O + 4eâ â 4OHâ(aq) | +0.401 |
| Fe(CN)63â(aq) + eâ â Fe(CN)64â(aq) | +0.358 |
| Cu2+(aq) + 2eâ â Cu(s) | +0.34 |
| Hg2Cl2(s) + 2eâ â 2Hg(l) + 2Clâ(aq) | +0.26808 |
| Ru3+(aq) + e- â Ru2+(aq) | +0.249 |
| HAsO2(s) + 3H3O+(aq) + 3eâ â As(s) + 5H2O | +0.248 |
| AgCl(s) + eâ â Ag(s) + Cl-(aq) | +0.22233 |
| Cu2+(aq) + eâ â Cu+(aq) | +0.153 |
| Sn4+(aq) +2eâ â Sn2+(aq) | +0.151 |
| S(s) + 2H3O+(aq) + 2eâ â H2S(s) + 2H2O(l) | +0.14 |
| NO3â(aq) +2H2O(l) + 3eâ â NO(g) + 4OHâ(aq) | +0.109 |
| N2(g) + 8H3O+(aq) + 6eâ â 2NH4+(aq) +8H2O(l) | +0.092 |
| S4O62â(aq) + 2eâ â 2S3O32â(aq) | +0.08 |
| AgBr(s) + eâ â Ag(s) + Brâ(aq) | +0.07133 |
| 2H+(aq) + 2eâ â H2(g) | 0.00 |
| Fe3+(aq) + 3eâ â Fe(s) | -0.04 |
| [Co(NH3)6]3+(aq) + eâ â [Co(NH3)6]2+(aq) | -0.108 |
| Pb2+(aq) + 2eâ â Pb(s) | â0.13 |
| Sn2+(aq) + 2eâ â Sn(s) | â0.14 |
| O2(g) + 2H2O(l) + 2eâ â H2O2(l) + 2OHâ(aq) | â0.146 |
| AgI(s) + eâ â Ag(s) + Iâ (aq) | â0.15224 |
| CO2(g) + 2H3O+(aq) + 2eâ â HCO2H(s) + 2H2O(l) | â0.199 |
| Cu(OH)2(s) + 2eâ â Cu(s) + 2OHâ(aq) | â0.222 |
| Ni2+(aq) + 2eâ â Ni(s) | â0.26 |
| Co2+(aq) + 2eâ â Co(s) | â0.28 |
| PbSO4(s) + 2eâ â Pb(s) + SO42â(aq) | â0.3588 |
| SeO32â(aq) + 3H2O(l) + 4eâ â Se + 6OHâ(aq) | â0.366 |
| Cd2+(aq) + 2eâ â Cd(s) | â0.403 |
| Cr3+(aq) + eâ â Cr2+(aq) | â0.407 |
| Fe2+(aq) + 2eâ â Fe(s) | â0.44 |
| NO2â(g) + H2O(l) + 3eâ â NO(g) + 2OHâ(aq) | â0.46 |
| S(s) + 2eâ â S2â(aq) | â0.48 |
| 2CO2(g) + 2H3O+(aq) + 2eâ â H2C2O4(s) + H2O(l) | â0.49 |
| TiO2(s) + 4H3O+ + 2eâ â Ti2+(aq) + 6H2O(l) | â0.502 |
| Au(CN)2â(aq) + eâ â Au(s) + 2CNâ(aq) | â0.60 |
| Cr3+(aq) + 3eâ â Cr(s) | â0.74 |
| Zn2+(aq) + 2eâ â Zn(s) | â0.76 |
| Cd(OH)2(s) + 2eâ â Cd(s) + 2OHâ(aq) | â0.809 |
| 2H2O(l) + 2eâ â H2(g) + 2OHâ(aq) | â0.83 |
| Ti3+(aq) + eâ â Ti2+(aq) | â0.85 |
| H3BO3(s) + 3H3O+ + 3eâ â B(s) + 6H2O(l) | â0.8698 |
| Cr2+(aq) + 2eâ â Cr(s) | â0.91 |
| SO42â(aq) + H2O(l) + 2eâ â SO32â(aq) + 2OHâ(aq) | â0.93 |
| CNOâ(aq) + H2O(l) + 2eâ â CNâ(aq) + 2OHâ(aq) | â0.970 |
| [Zn(NH3)4]2+(aq) + 2eâ â Zn(s) + 4NH3(aq) | â1.04 |
| Mn2+(aq) + 2eâ â Mn(s) | â1.185 |
| Cr(OH)3(s) + 3eâ â Cr(s) + 3OHâ(aq) | â1.48 |
| Ti2+(aq) + 2eâ â Ti(s) | â1.630 |
| Al3+(aq) + 3eâ â Al(s) | â1.66 |
| Al(OH)3(s) + 3eâ â Al(s)+3OHâ(aq) | â2.31 |
| Mg2+(aq) + 2eâ â Mg(s) | â2.38 |
| Mg(OH)2(s) + 2eâ â Mg(s) + 2OHâ(aq) | â2.69 |
| Na+(aq) + eâ â Na(s) | â2.71 |
| Ca2+(aq) + 2eâ â Ca(s) | â2.87 |
| Ba2+(aq) + 2eâ â Ba(s) | â2.912 |
| K+(aq) + eâ â K(s) | â2.931 |
| Ba(OH)2(s) + 2eâ â Ba(s) + 2OHâ(aq) | â2.99 |
| Ca(OH)2(s) + 2eâ â Ca(s) + 2OHâ(aq) | â3.02 |
| Cs+(aq) + eâ â Cs(s) | â3.026 |
| Li+(aq) + eâ â Li(s) | â3.04 |
asapling Learning macmilan learning Calculate the cell potential for the following reaction as written at 25.00°C, given that [C [N2 0.0130 M. Standard reduction potentials can be found here, :0.853 M and Cr(s)+Ni2+ (aq) 근 Cr2+(aq)+Ni(s) Cr aq)+ Ni Number E=