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Electrochemical Cell Potentials Can Be Used to Determine Equilibrium Constants

Question 2

Multiple Choice

Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concentrations are small. Calculate the value of Ksp for CdS from the following data. Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concentrations are small. Calculate the value of K<sub>sp</sub> for CdS from the following data. E<font face= symbol ></font> <font face= symbol ></font> <font face= symbol ></font>1.21 V E<font face= symbol ></font> <font face= symbol ></font> <font face= symbol ></font>0.40 V A) 3 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>55</sup> B) 4 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>28</sup> C) 2 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>14</sup> D) 3 <font face= symbol ></font> 10<sup>27</sup> E) 1 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>36</sup> E 1.21 V Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concentrations are small. Calculate the value of K<sub>sp</sub> for CdS from the following data. E<font face= symbol ></font> <font face= symbol ></font> <font face= symbol ></font>1.21 V E<font face= symbol ></font> <font face= symbol ></font> <font face= symbol ></font>0.40 V A) 3 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>55</sup> B) 4 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>28</sup> C) 2 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>14</sup> D) 3 <font face= symbol ></font> 10<sup>27</sup> E) 1 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>36</sup> E 0.40 V


A) 3 1055
B) 4 1028
C) 2 1014
D) 3 1027
E) 1 1036

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